IS61NLF25618A-7.5TQLI ISSI, Integrated Silicon Solution Inc, IS61NLF25618A-7.5TQLI Datasheet - Page 16

• 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/WRITE CYCLE SWITCHING CHARACTERISTICS
Notes:
1. Configuration signal MODE is static and must not change during normal operation.
2. Guaranteed but not 100% tested. This parameter is periodically sampled.
3. Tested with load in Figure 2.
16
Symbol
fmax
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
KC
KH
KL
KQ
KQX
KQLZ
KQHZ
OEQ
OELZ
OEHZ
AS
WS
CES
SE
ADVS
DS
AH
HE
WH
CEH
ADVH
DH
PDS
PUS
(2)
(2,3)
(2,3)
(2,3)
(2,3)
Parameter
Clock Frequency
Cycle Time
Clock High Time
Clock Low Time
Clock Access Time
Clock High to Output Invalid
Clock High to Output Low-Z
Clock High to Output High-Z
Output Enable to Output Valid
Output Enable to Output Low-Z
Output Disable to Output High-Z
Address Setup Time
Read/Write Setup Time
Chip Enable Setup Time
Clock Enable Setup Time
Address Advance Setup Time
Data Setup Time
Address Hold Time
Clock Enable Hold Time
Write Hold Time
Chip Enable Hold Time
Address Advance Hold Time
Data Hold Time
ZZ High to Power Down
ZZ Low to Power Down
Min.
7.5
2.2
2.2
2.5
2.5
1.5
1.5
1.5
1.5
1.5
1.5
0.5
0.5
0.5
0.5
0.5
0.5
—
—
—
—
—
—
—
0
6.5
Max.
133
6.5
3.8
3.2
3.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
Integrated Silicon Solution, Inc. — www.issi.com
(1)
(Over Operating Range)
Min. Max.
8.5
2.5
2.5
2.5
2.5
1.5
1.5
1.5
1.5
1.5
1.5
0.5
0.5
0.5
0.5
0.5
0.5
—
—
—
—
—
—
—
0
7.5
117
7.5
4.0
3.4
3.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
MHz
Unit
cyc
cyc
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
05/28/08
Rev. C