IS62C256AL-45ULI INTEGRATED SILICON SOLUTION (ISSI), IS62C256AL-45ULI Datasheet - Page 6

• Manufacturer Part Number: IS62C256AL-45ULI
• Description: IC, SRAM, 256KBIT, 45NS, SOP-28
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS62C256AL-45ULI

• Memory Size: 256Kbit
• Memory Configuration: 32K X 8
• Access Time: 45ns
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOP
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes

IS65C256AL
IS62C256AL
AC WAVEFORMS
READ CYCLE NO. 1
READ CYCLE NO. 2
Notes:
1. WE is HIGH for a Read Cycle.
2. The device is continuously selected. OE, CE = V
3. Address is valid prior to or coincident with CE LOW transitions.
6
ADDRESS
ADDRESS
D
D
OUT
OUT
OE
CE
HIGH-Z
t
LZCS
(1,2)
(1,3)
PREVIOUS DATA VALID
t
AA
t
DOE
t
t
LZOE
ACS
IL
.
t
OHA
t
RC
t
AA
t
RC
DATA VALID
t
HZCS
DATA VALID
Integrated Silicon Solution, Inc.
t
t
OHA
t
OHA
HZOE
CS_RD2.eps
READ1.eps
07/12/07
Rev. C