IS61NLF25618A-7.5TQLI ISSI, Integrated Silicon Solution Inc, IS61NLF25618A-7.5TQLI Datasheet - Page 18

• 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
READ CYCLE TIMING
18
CLK
ADV
Address
WRITE
CKE
CE
OE
Data Out
t
ADVS
t
CES
t
t
WS
AS
A1
NOTES: WRITE = L means WE = L and BWx = L
t
t
t
t
t
AH
OEHZ
ADVH
CEH
WH
t
OEQ
WE = L and BWX = L
CE = L means CE1 = L, CE2 = H and CE2 = L
CE = H means CE1 = H, or CE1 = L and CE2 = H, or CE1 = L and CE2 = L
Q1-1
t
OEHZ
t
SE
A2
t
HE
Q2-1
t
t
KH
DS
t
KC
t
t
KL
KQ
Q2-2
Q2-3
Integrated Silicon Solution, Inc. — www.issi.com
Q2-4
A3
Q3-1
Q3-2
Q3-3
t
KQHZ
Q3-4
Don't Care
Undefined
05/28/08
Rev. C