LY62W6416
Rev. 1.4
64K X 16 BIT LOW POWER CMOS SRAM
REVISION HISTORY
Revision
Rev. 1.0
Rev. 1.1
Description
Initial Issue
Deleted SL grade
Revised
FEATURES
&
ORDERING INFORMATION
Lead free and green package available
to
Green package
available
Added packing type in
ORDERING INFORMATION
Deleted T
SOLDER
in
ABSOLUTE MAXIMUN RATINGS
Revised
PACKAGE OUTLINE DIMENSION
in page 11
Revised V
IH
to 0.7*Vcc
Revised V
DR
to 1.5V
Revised
ORDERING INFORMATION
in page 12
Revised typo in
PRODUCT FAMILY
page 1
Added SL Grade
Deleted E Grade
Revised I
SB1
/I
DR
Issue Date
Nov.19.2008
May.6.2010
Rev. 1.2
Rev. 1.3
Rev. 1.4
Aug.30.2010
Oct.4.2010
Aug.9.2011
Lyontek Inc.
reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
0
LY62W6416
Rev. 1.4
64K X 16 BIT LOW POWER CMOS SRAM
GENERAL DESCRIPTION
The LY62W6416 is a 1,048,576-bit low power
CMOS static random access memory organized as
65,536 words by 16 bits. It is fabricated using very
high performance, high reliability CMOS technology.
Its standby current is stable within the range of
operating temperature.
The LY62W6416 is well designed for low power
application, and particularly well suited for battery
back-up nonvolatile memory application.
The LY62W6416 operates from a single power
supply of 2.7V ~ 5.5V and all inputs and outputs are
fully TTL compatible
FEATURES
Fast access time : 55/70ns
Low power consumption:
Operating current : 20/18mA (TYP.)
Standby current : 1A (TYP.)
Single 2.7V ~ 5.5V power supply
All outputs TTL compatible
Fully static operation
Tri-state output
Data byte control : LB# (DQ0 ~ DQ7)
UB# (DQ8 ~ DQ15)
Data retention voltage : 1.5V (MIN.)
Green package available
Package : 44-pin 400 mil TSOP-II
48-ball 6mm x 8mm TFBGA
PRODUCT FAMILY
Product
Family
LY62W6416
LY62W6416(I)
Operating
Temperature
0 ~ 70℃
-40 ~ 85℃
Vcc Range
2.7 ~ 5.5V
2.7 ~ 5.5V
Speed
55/70ns
55/70ns
Power Dissipation
Standby(I
SB1,
TYP.) Operating(Icc,TYP.)
1µA
20/18mA
1µA
20/18mA
FUNCTIONAL BLOCK DIAGRAM
PIN DESCRIPTION
SYMBOL
DESCRIPTION
Address Inputs
Chip Enable Input
Write Enable Input
Output Enable Input
Lower Byte Control
Upper Byte Control
Power Supply
Ground
Vcc
Vss
A0 - A15
CE#
WE#
OE#
LB#
UB#
V
CC
DQ0 – DQ15 Data Inputs/Outputs
DECODER
64Kx16
MEMORY ARRAY
A0-A15
DQ0-DQ7
Lower Byte
DQ8-DQ15
Upper Byte
V
SS
I/O DATA
CIRCUIT
COLUMN I/O
CE#
WE#
OE#
LB#
UB#
CONTROL
CIRCUIT
Lyontek Inc.
reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
1
LY62W6416
Rev. 1.4
64K X 16 BIT LOW POWER CMOS SRAM
PIN CONFIGURATION
A4
A3
A2
A1
A0
CE#
DQ0
DQ1
DQ2
DQ3
Vcc
Vss
DQ4
DQ5
DQ6
DQ7
WE#
A15
A14
A13
A12
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
TSOP II
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A5
A6
A7
OE#
UB#
LB#
DQ15
DQ14
DQ13
DQ12
Vss
Vcc
DQ11
DQ10
DQ9
DQ8
NC
A8
A9
A10
A11
NC
ABSOLUTE MAXIMUN RATINGS*
PARAMETER
Voltage on V
CC
relative to V
SS
Voltage on any other pin relative to V
SS
Operating Temperature
Storage Temperature
Power Dissipation
DC Output Current
SYMBOL
V
T1
V
T2
T
A
T
STG
P
D
I
OUT
RATING
-0.5 to 6.5
-0.5 to V
CC
+0.5
0 to 70(C grade)
-40 to 85(I grade)
-65 to 150
1
50
UNIT
V
V
℃
℃
W
mA
*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 or any other conditions above those indicated in the operational sections of this
specification is not implied. Exposure to the absolute maximum rating conditions for extended period may affect device reliability.
Lyontek Inc.
reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
LY62W6416
A
B
C
D
E
F
G
H
LB# OE#
DQ8 UB#
A0
A3
A1
A4
A6
A7
NC
A2
NC
CE# DQ0
DQ1 DQ2
DQ3 Vcc
DQ4 Vss
DQ9 DQ10 A5
Vss DQ11 NC
Vcc DQ12 NC
DQ14 DQ13 A14
DQ15 NC
NC
A8
A12
A9
A15 DQ5 DQ6
A13 WE# DQ7
A10
A11
NC
1
2
3
4
5
TFBGA
6
2
LY62W6416
Rev. 1.4
64K X 16 BIT LOW POWER CMOS SRAM
TRUTH TABLE
MODE
Standby
Output Disable
Read
CE#
H
X
L
L
L
L
L
L
L
L
OE#
X
X
H
H
L
L
L
X
X
X
WE# LB#
X
X
H
H
H
H
H
L
L
L
X
H
L
X
L
H
L
L
H
L
UB#
X
H
X
L
H
L
L
H
L
L
I/O OPERATION
DQ0-DQ7
DQ8-DQ15
High – Z
High – Z
High – Z
High – Z
High – Z
High – Z
High – Z
High – Z
D
OUT
High – Z
High – Z
D
OUT
D
OUT
D
OUT
D
IN
High – Z
High – Z
D
IN
D
IN
D
IN
SUPPLY CURRENT
I
SB1
I
CC
,I
CC1
I
CC
,I
CC1
Write
Note:
I
CC
,I
CC1
H = V
IH
, L = V
IL
, X = Don't care.
DC ELECTRICAL CHARACTERISTICS
SYMBOL
TEST CONDITION
MIN.
PARAMETER
Supply Voltage
V
CC
2.7
*1
Input High Voltage
V
IH
0.7*V
CC
*2
Input Low Voltage
V
IL
- 0.2
Input Leakage Current
I
LI
V
CC
≧
V
IN
≧
V
SS
-1
Output Leakage
V
CC
≧
V
OUT
≧
V
SS
,
I
LO
-1
Current
Output Disabled
Output High Voltage
V
OH
I
OH
= -1mA
2.4
Output Low Voltage
V
OL
I
OL
= 2mA
-
Cycle time = Min.
- 55
-
I
CC
CE# = V
IL
, I
I/O
= 0mA
- 70
-
Other pins at V
IL
or V
IH
Average Operating
Power supply Current
Cycle time = 1µ s
I
CC1
-
CE# = 0.2V , I
I/O
= 0mA
Other pins at 0.2V or V
CC
- 0.2V
LL/LLI
-
*5
-
25
℃
SL
CE#
≧V
CC
- 0.2V
Standby Power
*5
SLI
-
I
SB1
Others at 0.2V or
40℃
Supply Current
V
CC
- 0.2V
SL
-
SLI
-
Notes:
1. V
IH
(max) = V
CC
+ 3.0V for pulse width less than 10ns.
2. V
IL
(min) = V
SS
- 3.0V for pulse width less than 10ns.
3. Over/Undershoot specifications are characterized, not 100% tested.
4. Typical values are included for reference only and are not guaranteed or tested.
Typical values are measured at V
CC
= V
CC
(TYP.) and T
A
= 25℃
5. This parameter is measured at V
CC
= 3.0V
TYP.
3.0
-
-
-
-
2.7
-
20
18
4
1
1
1
1
1
*4
MAX.
5.5
V
CC
+0.3
0.6
1
1
-
0.4
60
50
10
50
5
5
20
25
UNIT
V
V
V
µA
µA
V
V
mA
mA
mA
µA
µA
µA
µA
µA
Lyontek Inc.
reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
3
LY62W6416
Rev. 1.4
64K X 16 BIT LOW POWER CMOS SRAM
CAPACITANCE
(T
A
= 25℃, f = 1.0MHz)
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
C
IN
C
I/O
MIN.
-
-
MAX
6
8
UNIT
pF
pF
Note : These parameters are guaranteed by device characterization, but not production tested.
AC TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Levels
Output Load
0.2V to V
CC
- 0.2V
3ns
1.5V
C
L
= 30pF + 1TTL, I
OH
/I
OL
= -2mA/4mA
AC ELECTRICAL CHARACTERISTICS
(1) READ CYCLE
PARAMETER
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Chip Enable to Output in Low-Z
Output Enable to Output in Low-Z
Chip Disable to Output in High-Z
Output Disable to Output in High-Z
Output Hold from Address Change
LB#, UB# Access Time
LB#, UB# to High-Z Output
LB#, UB# to Low-Z Output
(2) WRITE CYCLE
PARAMETER
Write Cycle Time
Address Valid to End of Write
Chip Enable to End of Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
Data to Write Time Overlap
Data Hold from End of Write Time
Output Active from End of Write
Write to Output in High-Z
LB#, UB# Valid to End of Write
SYM.
t
RC
t
AA
t
ACE
t
OE
t
CLZ
*
t
OLZ
*
t
CHZ
*
t
OHZ
*
t
OH
t
BA
t
BHZ
*
t
BLZ
*
LY62W6416-55
MIN.
MAX.
55
-
-
55
-
55
-
30
10
-
5
-
-
20
-
20
10
-
-
55
-
25
10
-
LY62W6416-70
MIN.
MAX.
70
-
-
70
-
70
-
35
10
-
5
-
-
25
-
25
10
-
-
70
-
30
10
-
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SYM.
t
WC
t
AW
t
CW
t
AS
t
WP
t
WR
t
DW
t
DH
t
OW
*
t
WHZ
*
t
BW
LY62W6416-55
MIN.
MAX.
55
-
50
-
50
-
0
-
45
-
0
-
25
-
0
-
5
-
-
20
50
-
LY62W6416-70
MIN.
MAX.
70
-
60
-
60
-
0
-
55
-
0
-
30
-
0
-
5
-
-
25
60
-
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
*These parameters are guaranteed by device characterization, but not production tested.
Lyontek Inc.
reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
4
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