HT62L256-28SOP-A HOLTEK [Holtek Semiconductor Inc], HT62L256-28SOP-A Datasheet - Page 4

• Manufacturer Part Number: HT62L256-28SOP-A
• Description: CMOS 32Kx8 Low Power SRAM
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

A.C. Test Conditions
Functional Description
Operation truth table
Data retention characteristics
Low V
Rev. 0.00
Input Pulse Level
Input Rise and Fall Time
Input and Output Timing Reference Level
Output Load
V
I
t
t
CCDR
CDR
R
DR
Symbol
DD
data retention timing
CS
H
L
L
L
V
Data Retention Current
Chip Disable Data Retention Time
Operation Recovery Time
DD
for Data Retention
Item
Parameter
OE
H
X
L
X
Preliminary
CS V
V
CS V
V
See retention timing
See retention timing
IN
IN
WE
X
H
H
L
4
0V to 3V
5ns
1.5V
See figures below
V
V
DD
DD
DD
DD
Conditions
0.2V
0.2V
0.2V or V
0.2V or V
Output Disable
IN
IN
0.2V
0.2V
Standby
Mode
Read
Write
Conditions
Min.
t
2.0
RC
0
*
Max.
Ta= 40 C to 85 C
3.3
2
August 15, 2002
HT62L256
D0~D7
High-Z
High-Z
Dout
Din
Unit
ns
ns
V
A