w24258 Winbond Electronics Corp America, w24258 Datasheet - Page 7

• Manufacturer Part Number: w24258
• Description: 32k X 8 Cmos Static Ram
• Manufacturer: Winbond Electronics Corp America

DATA RETENTION CHARACTERISTICS
(T
*
DATA RETENTION WAVEFORM
ORDERING INFORMATION
Notes:
1. Winbond reserves the right to make changes to its products without prior notice.
2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in applications
V
Data Retention Current
Chip Deselect to Data
Retention Time
Operation Recovery Time
Read Cycle Time
W24258H
W24258-70LE
W24258S-70LE
W24258Q-70LE
W24258-70LI
W24258S-70LI
W24258Q-70LI
A
DD
where personal injury might occur as a consequence of product failure.
( C) =-20 to 85 for LE; -40 to 85 for LI)
PART NO.
for Data Retention
PARAMETER
V
CS
TIME (nS)
DD
ACCESS
70/100
70/100
70/100
70/100
70/100
70/100
100
V
I
T
T
SYM.
DDDR
CDR
R
DR
VOLTAGE
V
OPERATING
IH
T
0.9
5V/3V
5V/3V
5V/3V
5V/3V
5V/3V
5V/3V
CDR
3V
V
See data retention waveform
CS
CS
DD
(V )
TEST CONDITIONS
V
V
CS = >
DD
DD
V
- 7 -
DR
TEMPERATURE
-0.2V
-0.2V, V
V
= >
DD
2V
OPERATING
- 0.2V
-20 to 85
-20 to 85
-20 to 85
-40 to 85
-40 to 85
-40 to 85
0 to 70
DD
= 3V
Publication Release Date: November 1998
0.9
T
V
R
DD
( C )
V
IH
MIN.
T
2.0
RC
Die form
600 mil DIP
330 mil SOP
Standard type one TSOP
600 mil DIP
330 mil SOP
Standard type one TSOP
0
-
*
TYP. MAX. UNIT
PACKAGE
-
-
-
-
W24258
2
-
-
-
Revision A8
nS
nS
V
A