IS61NLF25618A-7.5TQLI ISSI, Integrated Silicon Solution Inc, IS61NLF25618A-7.5TQLI Datasheet - Page 4

• Manufacturer Part Number: IS61NLF25618A-7.5TQLI
• Description: IC SRAM 4MBIT 117MHZ 100TQFP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS61NLF25618A-7.5TQLI

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 4M (256K x 18)
• Speed: 117MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Density: 4Mb
• Access Time (max): 7.5ns
• Sync/async: Synchronous
• Architecture: SDR
• Clock Freq (max): 117MHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 18b
• Package Type: TQFP
• Operating Temp Range: -40C to 85C
• Number Of Ports: 2
• Supply Current: 160mA
• Operating Supply Voltage (min): 3.25V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 18b
• Number Of Words: 256K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS61NLF12836A/IS61NVF12836A
IS61NLF25618A/IS61NVF25618A
PIN CONFIGURATION — 128K
4
PIN DESCRIPTIONS
Note:
Symbol
A
A0, A1
ADV
WE
CLK
CKE
CE, CE2, CE2 Synchronous Chip Enable
BWx (x=a-d)
OE
ZZ
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
A0 and A1 are the two least significant bits (LSB) of the address field and set the internal burst counter if burst is desired.
MODE
DQPc
DQPd
DQc
DQc
DQc
DQc
DQd
DQd
DQd
DQd
NC
NC
NC
NC
1
Pin Name
Address Inputs
Synchronous Burst Address Inputs
Synchronous Burst Address Advance/
Load
Synchronous Read/Write Control Input
Synchronous Clock
Clock Enable
Synchronous Byte Write Inputs
Output Enable
Power Sleep Mode
DQc
DQc
DQc
DQc
DQd
DQd
DQd
DQd
NC
NC
NC
NC
NC
A
A
2
V
V
V
V
V
V
V
V
V
V
CE2
CE
NC
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
A
A
3
BWd
X
BWc
V
V
V
V
V
V
V
V
V
V
V
4
A
A
SS
DD
DD
DD
DD
DD
DD
DD
DD
DD
SS
36, 165-Ball PBGA (TOP VIEW)
BWb
BWa
V
V
V
V
V
V
V
V
V
V
NC
NC
NC
5
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
CE2
CLK
V
V
V
V
V
V
V
V
V
V
A1*
A0*
NC
6
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
MODE
V
NC
DQx
DQPx
V
V
DD
SS
DDQ
Integrated Silicon Solution, Inc. — www.issi.com
CKE
V
V
V
V
V
V
V
V
V
V
WE
NC
NC
NC
7
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
Burst Sequence Selection
3.3V/2.5V Power Supply
No Connect
Data Inputs/Outputs
Parity Data I/O
Isolated output Power Supply
3.3V/2.5V
Ground
ADV
V
V
V
V
V
V
V
V
V
V
V
OE
A
A
8
SS
SS
DD
DD
DD
DD
DD
DD
DD
DD
DD
V
V
V
V
V
V
V
V
V
V
NC
NC
NC
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
A
A
9
DQb
DQb
DQb
DQb
DQa
DQa
DQa
DQa
NC
NC
NC
10
A
A
A
A
DQPb
DQPa
DQb
DQb
DQb
DQb
DQa
DQa
DQa
DQa
NC
NC
NC
11
ZZ
A
05/28/08
Rev. C