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Datasheet> 器件分类 > 逻辑> 逻辑> IDT54FCT646CTLB
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IDT54FCT646CTLB

产品描述Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, CQCC28, LCC-28
产品类别逻辑    逻辑   
文件大小100KB，共8页
制造商IDT (Integrated Device Technology)
下载文档 详细参数 选型对比 全文预览

IDT54FCT646CTLB概述

Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, CQCC28, LCC-28

IDT54FCT646CTLB规格参数

参数名称属性值
是否Rohs认证不符合
厂商名称IDT (Integrated Device Technology)
零件包装代码QLCC
包装说明QCCN, LCC28,.45SQ
针数28
Reach Compliance Code_compli
其他特性DIRECTION CONTROL
控制类型INDEPENDENT CONTROL
计数方向BIDIRECTIONAL
系列FCT
JESD-30 代码S-CQCC-N28
JESD-609代码e0
长度11.4554 mm
负载电容（CL）50 pF
逻辑集成电路类型REGISTERED BUS TRANSCEIVER
最大I（ol）0.048 A
位数8
功能数量1
端口数量2
端子数量28
最高工作温度125 °C
最低工作温度-55 °C
输出特性3-STATE
输出极性TRUE
封装主体材料CERAMIC, METAL-SEALED COFIRED
封装代码QCCN
封装等效代码LCC28,.45SQ
封装形状SQUARE
封装形式CHIP CARRIER
峰值回流温度（摄氏度）225
电源5 V
Prop。Delay @ Nom-Su6 ns
传播延迟（tpd）6.3 ns
认证状态Not Qualified
筛选级别MIL-STD-883 Class B
座面最大高度2.54 mm
最大供电电压 (Vsup)5.5 V
最小供电电压 (Vsup)4.5 V
标称供电电压 (Vsup)5 V
表面贴装YES
技术CMOS
温度等级MILITARY
端子面层Tin/Lead (Sn/Pb)
端子形式NO LEAD
端子节距1.27 mm
端子位置QUAD
处于峰值回流温度下的最长时间30
翻译N/A
触发器类型POSITIVE EDGE
宽度11.4554 mm

IDT54FCT646CTLB文档预览

IDT54/74FCT646T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
FAST CMOS OCTAL
TRANSCEIVER/
REGISTER (3-STATE)
FEATURES:
•
•
•
•
IDT54/74FCT646T/AT/CT
DESCRIPTION:
•
•
•
•
•
Std., A, and C grades
Low input and output leakage
≤
1µA (max.)
CMOS power levels
True TTL input and output compatibility:
– V
OH
= 3.3V (typ.)
– V
OL
= 0.3V (typ.)
High Drive outputs (-15mA I
OH
, 64mA I
OL
)
Meets or exceeds JEDEC standard 18 specifications
Military product compliant to MIL-STD-883, Class B and DESC
listed (dual marked)
Power off disable outputs permit "live insertion"
Available in the following packages:
– Industrial: SOIC, SSOP, QSOP, TSSOP
– Military: CERDIP, LCC
The FCT646T consists of a bus transceiver with 3-state D-type flip-flops
and control circuitry arranged for multiplexed transmission of data directly
from the data bus or from the internal storage registers. The FCT646T
utilizes the enable control (G) and direction (DIR) pins to control the
transceiver functions.
SAB and SBA control pins are provided to select either real- time or stored
data transfer. The circuitry used for select control will eliminate the typical
decoding glitch that occurs in a multiplexer during the transition between
stored and real-time data. A low input level selects real-time data and a high
selects stored data.
Data on the A or B data bus, or both, can be stored in the internal D flip-
flops by low-to-high transitions at the appropriate clock pins (CPAB or
CPBA), regardless of the select or enable control pins.
FUNCTIONAL BLOCK DIAGRAM
G
DIR
CPB A
SBA
CPA B
SAB
B REG
ONE OF EIGHT CHANNELS
1D
C1
A1
A REG
1D
C1
B1
TO SEVE N OTHER CHANN ELS
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
1
JUNE 2002
DSC-5505/3
© 2002 Integrated Device Technology, Inc.
IDT54/74FCT646T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
PIN CONFIGURATION
CPAB
CPBA
27
SAB
DIR
SAB
DIR
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
GND
2
3
4
5
6
7
8
9
10
11
12
23
22
21
20
19
18
17
16
15
14
13
CPBA
SBA
G
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
A
1
A
2
A
3
NC
A
4
A
5
A
6
5
6
7
8
9
10
11
12
13
14
15
16
17
18
4
3
2
1
28
26
25
24
23
22
21
20
19
NC
INDEX
Vcc
CPAB
1
24
V
CC
SBA
G
B
1
B
2
NC
B
3
B
4
B
5
A
8
GND
NC
A
7
B
8
B
7
CERDIP/ SOIC/ SSOP/ QSOP/ TSSOP
TOP VIEW
LCC
TOP VIEW
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
V
TERM
(3)
T
STG
I
OUT
Description
Terminal Voltage with Respect to GND
Storage Temperature
DC Output Current
Max
–0.5 to +7
–0.5 to V
CC
+0.5
–65 to +150
–60 to +120
Unit
V
V
°C
mA
V
TERM
(2)
Terminal Voltage with Respect to GND
PIN DESCRIPTION
Pin Names
A
1
- A
8
B
1
- B
8
CPAB, CPBA
SAB, SBA
DIR,
G
Description
Data Register A Inputs
Data Register B Outputs
Data Register B Inputs
Data Register A Outputs
Clock Pulse Inputs
Output Data Source Select Inputs
Output Enable Inputs
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability. No terminal voltage may exceed
Vcc by +0.5V unless otherwise noted.
2. Inputs and Vcc terminals only.
3. Output and I/O terminals only.
CAPACITANCE
(T
A
= +25°C, F = 1.0MHz)
Symbol
C
IN
C
OUT
Parameter
(1)
Input Capacitance
Output Capacitance
Conditions
V
IN
= 0V
V
OUT
= 0V
Typ.
6
8
Max.
10
12
Unit
pF
pF
NOTE:
1. This parameter is measured at characterization but not tested.
2
B
6
IDT54/74FCT646T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
FUNCTION TABLE
(1)
Inputs
G
H
H
L
L
L
L
DIR
X
X
L
L
H
H
CPAB
H or L
↑
X
X
X
H or L
CPBA
H or L
↑
X
H or L
X
X
SAB
X
X
X
X
L
H
SBA
X
X
L
H
X
X
Input
Output
Output
Input
A
1
- A
8
Input
Data I/O
(2)
B
1
- B
8
Input
Isolation
Store A and B Data
Real-Time B Data to A Bus
Stored B Data to A Bus
Real-Time A Data to B Bus
Stored A Data to B Bus
Operation or Function
NOTES:
1. H = HIGH
L = LOW
X = Don't Care
↑
= LOW-to-HIGH transition.
Select control = L: clocks can occur simultaneously.
Select control = H: clocks must be staggered in order to load both registers.
2. The data output functions may be enabled or disabled by various signals at the GAB or GBA inputs. Data input functions are always enabled, i.e. data at the bus pins will be
stored on every LOW-to-HIGH transition on the clock inputs.
3.
A
in B Register.
4.
B
in A Register.
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: T
A
= –40°C to +85°C, V
CC
= 5.0V ±5%; Military: T
A
= –55°C to +125°C, V
CC
= 5.0V ±10%
Symbol
V
IH
V
IL
I
IH
I
IL
I
OZH
I
OZL
I
I
V
IK
V
H
I
CC
Parameter
Input HIGH Level
Input LOW Level
Input HIGH Current
(4)
Input LOW Current
(4)
High Impedance Output Current
(3-State output pins)
(4)
Input HIGH Current
(4)
Clamp Diode Voltage
Input Hysteresis
Quiescent Power Supply Current
V
CC
= Max., V
I
= V
CC
(Max.)
V
CC
= Min, I
IN
= -18mA
—
V
CC
= Max., V
IN
= GND or V
CC
Test Conditions
(1)
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
V
CC
= Max.
V
CC
= Max.
V
CC
= Max
V
I
= 2.7V
V
I
= 0.5V
V
O
= 2.7V
V
O
= 0.5V
Min.
2
—
—
—
—
—
—
—
—
—
Typ.
(2)
—
—
—
—
—
—
—
–0.7
200
0.01
Max.
—
0.8
±1
±1
±1
±1
±1
–1.2
—
1
µA
V
mV
µA
Unit
V
V
µA
µA
µA
OUTPUT DRIVE CHARACTERISTICS
Symbol
V
OH
Parameter
Output HIGH Voltage
V
CC
= Min
V
IN
= V
IH
or V
IL
Test Conditions
(1)
I
OH
= –6mA MIL
I
OH
= –8mA IND
I
OH
= –12mA MIL
I
OH
= –15mA IND
I
OL
= 48mA MIL
I
OL
= 64mA IND
Min.
2.4
2
—
–60
—
Typ.
(2)
3.3
3
0.3
–120
—
Max.
—
—
0.55
–225
±1
V
mA
µA
Unit
V
V
OL
I
OS
I
OFF
Output LOW Voltage
Short Circuit Current
Input/Output Power Off Leakage
(5)
V
CC
= Min
V
IN
= V
IH
or V
IL
V
CC
= Max., V
O
= GND
(3)
V
CC
= 0V, V
IN
or V
O
≤
4.5V
NOTES:
1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V
CC
= 5.0V, +25°C ambient.
3. Not more than one output should be tested at one time. Duration of the test should not exceed one second.
4. The test limit for this parameter is ±5µA at T
A
= –55°C.
5. This parameter is guaranteed but not tested.
3
IDT54/74FCT646T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
BUS
A
BUS
B
BUS
A
BUS
B
DIR
L
G
L
CPAB
X
CPBA
X
SAB
X
SBA
L
DIR
H
G
L
CPAB
X
CPBA
X
SAB
L
SBA
X
Real-Time Transfer
Bus B to A
Real-Time Transfer
Bus A to B
BUS
A
BUS
B
BUS
A
BUS
B
DIR
H
L
X
G
L
L
H
CPAB
↑
CPBA
X
↑
↑
SAB
X
X
X
SBA
X
X
X
X
↑
DIR
L
H
G
L
L
CPAB
X
H or L
CPBA
H or L
X
SAB
X
H
SBA
H
X
Storage From
A and/or B
Transfer Stores
(1)
Data to A and/or B
NOTE:
1. Cannot transfer data to A bus and B bus simultaneously.
4
IDT54/74FCT646T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol
∆I
CC
I
CCD
Parameter
Quiescent Power Supply Current
TTL Inputs HIGH
Dynamic Power Supply
Current
(4)
V
CC
= Max.
V
IN
= 3.4V
(3)
V
CC
= Max.
Outputs Open
G
= DIR = GND
One Input Toggling
50% Duty Cycle
V
CC
= Max.
Outputs Open
f
CP
= 10MHz
50% Duty Cycle
G
= DIR = GND
One Bit Toggling
at fi = 5MHz
V
CC
= Max.
Outputs Open
f
CP
= 10MHz
50% Duty Cycle
G
= DIR = GND
Eight Bits Toggling
at fi = 2.5MHz
V
IN
= 3.4V
V
IN
= GND
—
6
16.3
(5)
V
IN
= V
CC
V
IN
= GND
Test Conditions
(1)
Min.
—
—
Typ.
(2)
0.5
0.15
Max.
2
0.25
Unit
mA
mA/
MHz
I
C
Total Power Supply Current
(6)
V
IN
= V
CC
V
IN
= GND
—
1.5
3.5
mA
V
IN
= 3.4V
V
IN
= GND
V
IN
= V
CC
V
IN
= GND
—
2
5.5
—
3.8
7.3
(5)
NOTES:
1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V
CC
= 5.0V, +25°C ambient.
3. Per TTL driven input; (V
IN
= 3.4V). All other inputs at V
CC
or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of
∆I
CC
formula. These limits are guaranteed but not tested.
6. I
C
= I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
= I
CC
+
∆I
CC
D
H
N
T
+ I
CCD
(f
CP
/2+ f
i
N
i
)
I
CC
= Quiescent Current
∆I
CC
= Power Supply Current for a TTL High Input (V
IN
= 3.4V)
D
H
= Duty Cycle for TTL Inputs High
N
T
= Number of TTL Inputs at D
H
I
CCD
= Dynamic Current caused by an Input Transition Pair (HLH or LHL)
f
CP
= Clock Frequency for Register Devices (Zero for Non-Register Devices)
f
i
= Output Frequency
N
i
= Number of Outputs at f
i
All currents are in milliamps and all frequencies are in megahertz.
5
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IDT54FCT646CTLB相似产品对比

IDT54FCT646CTLB IDT74FCT646CTPG IDT74FCT646TPG IDT74FCT646CTQ IDT74FCT646TQ IDT74FCT646CTSO IDT54FCT646CTDB
描述 Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, CQCC28, LCC-28 Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, TSSOP-24 Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, TSSOP-24 Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, QSOP-24 Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, QSOP-24 Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, SOIC-24 Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, CDIP24, CERDIP-24
是否Rohs认证 不符合 不符合 不符合 不符合 不符合 不符合 不符合
厂商名称 IDT (Integrated Device Technology) IDT (Integrated Device Technology) IDT (Integrated Device Technology) IDT (Integrated Device Technology) IDT (Integrated Device Technology) IDT (Integrated Device Technology) IDT (Integrated Device Technology)
零件包装代码 QLCC TSSOP TSSOP SOIC SOIC SOIC DIP
包装说明 QCCN, LCC28,.45SQ TSSOP, TSSOP24,.25 TSSOP, TSSOP24,.25 SSOP, SSOP24,.24 SSOP, SSOP24,.24 SOP, SOP24,.4 DIP, DIP24,.3
针数 28 24 24 24 24 24 24
Reach Compliance Code _compli not_compliant not_compliant not_compliant not_compliant not_compliant _compli
其他特性 DIRECTION CONTROL DIRECTION CONTROL DIRECTION CONTROL DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA
控制类型 INDEPENDENT CONTROL INDEPENDENT CONTROL INDEPENDENT CONTROL INDEPENDENT CONTROL INDEPENDENT CONTROL INDEPENDENT CONTROL INDEPENDENT CONTROL
计数方向 BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL
系列 FCT FCT FCT FCT FCT FCT FCT
JESD-30 代码 S-CQCC-N28 R-PDSO-G24 R-PDSO-G24 R-PDSO-G24 R-PDSO-G24 R-PDSO-G24 R-GDIP-T24
JESD-609代码 e0 e0 e0 e0 e0 e0 e0
长度 11.4554 mm 7.8 mm 7.8 mm 8.6868 mm 8.65 mm 15.4178 mm 32.004 mm
逻辑集成电路类型 REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
最大I（ol） 0.048 A 0.064 A 0.064 A 0.064 A 0.064 A 0.064 A 0.048 A
位数 8 8 8 8 8 8 8
功能数量 1 1 1 1 1 1 1
端口数量 2 2 2 2 2 2 2
端子数量 28 24 24 24 24 24 24
最高工作温度 125 °C 85 °C 85 °C 85 °C 85 °C 85 °C 125 °C
最低工作温度 -55 °C -40 °C -40 °C -40 °C -40 °C -40 °C -55 °C
输出特性 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE
输出极性 TRUE TRUE TRUE TRUE TRUE TRUE TRUE
封装主体材料 CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY CERAMIC, GLASS-SEALED
封装代码 QCCN TSSOP TSSOP SSOP SSOP SOP DIP
封装等效代码 LCC28,.45SQ TSSOP24,.25 TSSOP24,.25 SSOP24,.24 SSOP24,.24 SOP24,.4 DIP24,.3
封装形状 SQUARE RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 CHIP CARRIER SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE IN-LINE
电源 5 V 5 V 5 V 5 V 5 V 5 V 5 V
传播延迟（tpd） 6.3 ns 5.7 ns 9 ns 5.7 ns 9 ns 5.7 ns 6.3 ns
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 2.54 mm 1.2 mm 1.2 mm 1.7272 mm 1.75 mm 2.6416 mm 4.826 mm
最大供电电压 (Vsup) 5.5 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.5 V
最小供电电压 (Vsup) 4.5 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.5 V
标称供电电压 (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V 5 V
表面贴装 YES YES YES YES YES YES NO
技术 CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 MILITARY INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL MILITARY
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
端子形式 NO LEAD GULL WING GULL WING GULL WING GULL WING GULL WING THROUGH-HOLE
端子节距 1.27 mm 0.65 mm 0.65 mm 0.635 mm 0.635 mm 1.27 mm 2.54 mm
端子位置 QUAD DUAL DUAL DUAL DUAL DUAL DUAL
翻译 N/A N/A N/A N/A N/A N/A N/A
触发器类型 POSITIVE EDGE POSITIVE EDGE POSITIVE EDGE POSITIVE EDGE POSITIVE EDGE POSITIVE EDGE POSITIVE EDGE
宽度 11.4554 mm 4.4 mm 4.4 mm 3.9116 mm 3.9116 mm 7.5057 mm 15.24 mm
负载电容（CL） 50 pF - - 50 pF 50 pF 50 pF 50 pF
峰值回流温度（摄氏度） 225 NOT SPECIFIED - 225 - 225 NOT SPECIFIED
处于峰值回流温度下的最长时间 30 NOT SPECIFIED - 30 - 30 NOT SPECIFIED
湿度敏感等级 - 1 1 1 1 1 -
Prop。Delay @ Nom-Sup - 5.4 ns 9 ns 5.4 ns 9 ns 5.4 ns -

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交流电流过负载时，加在该负载上的交流电压与通过该负载的交流电流产生相位差，人们便从中引出功率因数这一概念。人们生产、生活用电来自电网，电网提供频率为50Hz或60Hz的交流电。作为交流电的 ......
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EE大学堂 大学堂专版
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本帖最后由 dcexpert 于 2021-6-19 12:28 编辑 今天micropython 发布1.16版，详情明天整理（请见4楼）。 https://github.com/micropython/micropython/releases/tag/v1.16 ...
dcexpert MicroPython开源版块
器件捷径:   E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GZ H0 H1 H2 H3 H4 H5 H6 H7 H8 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ I1 I2 I3 I4 I5 I6 I7 IA IB IC ID IE IF IG IH II IK IL IM IN IO IP IQ IR IS IT IU IV IW IX J0 J1 J2 J6 J7 JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JV JW JX JZ K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ

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