IS62LV256-70UI ISSI, Integrated Silicon Solution Inc, IS62LV256-70UI Datasheet - Page 6

• Manufacturer Part Number: IS62LV256-70UI
• Description: IC SRAM 256KBIT 70NS 28SOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS62LV256-70UI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 256K (32K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC WAVEFORMS
READ CYCLE NO. 1
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.
IS62LV256
READ CYCLE NO. 2
6
ADDRESS
CURRENT
ADDRESS
SUPPLY
D
D
OUT
OUT
OE
CE
(1,2)
(1,3)
t
PU
HIGH-Z
t
LZCE
t
ACE
50%
t
IL
AA
.
Integrated Silicon Solution, Inc. — www.issi.com —
t
t
t
OHA
LZOE
DOE
t
RC
t
AA
t
RC
DATA VALID
t
HZCE
DATA VALID
t
HZOE
t
PD
t
OHA
t
OHA
50%
HIGH-Z
ISSI
1-800-379-4774
ICC
ISB
12/11/02
Rev. K
®