A43L2616
1M X 16 Bit X 4 Banks Synchronous DRAM
Document Title
1M X 16 Bit X 4 Banks Synchronous DRAM
Revision History
Rev. No.
0.0
1.0
2.0
3.0
3.1
History
Initial issue
Add -V grade
Add -5.5 spec
Add Full Page Mode
Add Pb-Free package type
Issue Date
August 9, 2001
November 26,2001
January 4,2002
February 21,2002
September 2, 2004
Remark
(September, 2004, Version 3.1)
AMIC Technology, Corp.
A43L2616
1M X 16 Bit X 4 Banks Synchronous DRAM
Features
JEDEC standard 3.3V power supply
LVTTL compatible with multiplexed address
Four banks / Pulse
RAS
MRS cycle with address key programs
- CAS Latency (2,3)
- Burst Length (1,2,4,8 & full page)
-
Burst Type (Sequential & Interleave)
All inputs are sampled at the positive going edge of the
system clock
Clock Frequency: 166MHz @ CL=3
143MHz @ CL=3
183Mhz @ CL=3
(183Mhz is available only for –V grade)
Burst Read Single-bit Write operation
DQM for masking
Auto & self refresh
64ms refresh period (4K cycle)
54 Pin TSOP (II)
Low Self Refresh Current version for –V grade
General Description
The A43L2616 is 67,108,864 bits synchronous high data
rate Dynamic RAM organized as 4 X 1,048,576 words by
16 bits, fabricated with AMIC’s high performance CMOS
technology. Synchronous design allows precise cycle
control with the use of system clock. I/O transactions are
possible on every clock cycle. Range of operating
frequencies, programmable latencies allows the same
device to be useful for a variety of high bandwidth, high
performance memory system applications.
Pin Configuration
TSOP (II)
VDDQ
VSSQ
DQ
14
DQ
13
DQ
11
UDQM
VDDQ
VSSQ
DQ
15
DQ
12
DQ
10
CKE
VSS
VSS
DQ
8
54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
A43L2616V
1
VDD
2
DQ
0
3
VDDQ
4
DQ
1
5
DQ
2
6
VSSQ
7
DQ
3
8
DQ
4
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
VSSQ
LDQM
VDDQ
VDD
A10/AP
VDD
CS
A0
A1
WE
CAS
RAS
BS0
DQ
5
DQ
6
DQ
7
BS1
A2
A3
(September, 2004, Version 3.1)
1
AMIC Technology, Corp.
VSS
DQ
9
NC
CK
A11
NC
A9
A8
A7
A6
A5
A4
A43L2616
Block Diagram
LWE
I/O Control
Data Input Register
Bank Select
DQM
1M X 16
Row Decoder
Output Buffer
Sense AMP
1M X 16
1M X 16
1M X 16
Row Buffer
Refresh Counter
CLK
Address Register
DQi
LCBR
LRAS
ADD
Column Decoder
Column Buffer
Latency & Burst Length
LRAS
LCAS
LRAS
LCBR
LWE
Programming Register
DQM
LWCBR
Timing Register
CLK
CKE
CS
RAS
CAS
WE
DQM
(September, 2004, Version 3.1)
2
AMIC Technology, Corp.
A43L2616
Pin Descriptions
Symbol
Name
Description
CLK
CS
System Clock
Chip Select
Active on the positive going edge to sample all inputs.
Disables or Enables device operation by masking or enabling all inputs except
CLK, CKE and L(U)DQM
Masks system clock to freeze operation from the next clock cycle.
CKE
Clock Enable
CKE should be enabled at least one clock + tss prior to new command.
Disable input buffers for power down in standby.
Row / Column addresses are multiplexed on the same pins.
A0~A11
Address
Row address : RA0~RA11, Column address: CA0~CA7
Selects bank to be activated during row address latch time.
BS0, BS1
Bank Select Address
Selects band for read/write during column address latch time.
Row Address Strobe
Latches row addresses on the positive going edge of the CLK with RAS low.
Enables row access & precharge.
Column Address
Strobe
Write Enable
Data Input/Output
Mask
Data Input/Output
Power
Supply/Ground
Data Output
Power/Ground
No Connection
RAS
Latches column addresses on the positive going edge of the CLK with
CAS
low.
Enables column access.
Enables write operation and Row precharge.
Makes data output Hi-Z, t SHZ after the clock and masks the output.
Blocks data input when L(U)DQM active.
Data inputs/outputs are multiplexed on the same pins.
Power Supply: +3.3V
±
0.3V/Ground
Provide isolated Power/Ground to DQs for improved noise immunity.
CAS
WE
L(U)DQM
DQ
0-15
VDD/VSS
VDDQ/VSSQ
NC/RFU
(September, 2004, Version 3.1)
3
AMIC Technology, Corp.
A43L2616
Absolute Maximum Ratings*
Voltage on any pin relative to VSS (Vin, Vout ) . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.0V to +4.6V
Voltage on VDD supply relative to VSS (VDD, VDDQ )
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-1.0V to +4.6V
Storage Temperature (T
STG
) . . . . . . . . . . -55
°
C to +150
°
C
Soldering Temperature X Time (T
SLODER
) . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
°
C X 10sec
Power Dissipation (P
D
) . . . . . . . . . . . . . . . . . . . . . . . . .1W
Short Circuit Current (Ios) . . . . . . . . . . . . . . . . . . . . 50mA
*Comments
Permanent device damage may occur if “Absolute
Maximum Ratings” are exceeded.
Functional operation should be restricted to recommended
operating condition.
Exposure to higher than recommended voltage for extended
periods of time could affect device reliability.
Capacitance (T
A
=25°C, f=1MHz)
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Input Capacitance
CI1
CI2
A0 to A11, BS0, BS1
CLK, CKE,
CS
,
RAS
,
CAS
,
WE
,
DQM
DQ0 to DQ15
2.5
2.5
4
3.8
3.8
6.5
pF
pF
pF
Data Input/Output Capacitance
CI/O
DC Electrical Characteristics
Recommend operating conditions (Voltage referenced to VSS = 0V, T
A
= 0ºC to +70ºC )
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input Leakage Current
Output Leakage Current
Output Loading Condition
VDD,VDDQ
V
IH
V
IL
V
OH
V
OL
I
IL
I
OL
3.0
2.0
-0.3
2.4
-
-5
-5
3.3
3.0
0
-
-
-
-
3.6
VDD+0.3
0.8
-
0.4
5
5
V
V
V
V
V
µ
A
µ
A
Note 1
I
OH
= -2mA
I
OL
= 2mA
Note 2
Note 3
See Figure 1
Note:
1. V
IL
(min) = -1.5V AC (pulse width
≤
5ns).
2. Any input 0V
≤
VIN
≤
VDD + 0.3V, all other pins are not under test = 0V
3. Dout is disabled, 0V
≤
Vout
≤
VDD
(September, 2004, Version 3.1)
4
AMIC Technology, Corp.
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