W24258/LL
DATA RETENTION CHARACTERISTICS
(T
A
= 0° C to 70° C)
PARAMETER
V
DD
for Data Retention
Data Retention Current
Chip Deselect to Data
Retention Time
Operation Recovery Time
*
Read Cycle Time
SYM.
V
DR
I
DDDR
T
CDR
T
R
TEST CONDITIONS
CS
≥
V
DD
-0.2V
CS
≥
V
DD
-0.2V, V
DD
= 3V
See data retention waveform
MIN.
2.0
-
0
T
RC
*
TYP. MAX. UNIT
-
-
-
-
-
2
-
-
V
µA
nS
nS
DATA RETENTION WAVEFORM
V
DD
0.9 V
DD
T
CDR
V
DR
> 2V
=
0.9 V
DD
T
R
CS
V
IH
CS > V
DD
- 0.2V
=
V
IH
ORDERING INFORMATION
PART NO.
ACCESS
TIME
(nS)
55
70
55
70
55
70
OPERATING
CURRENT MAX.
(
mA
)
70
60
70
60
70
60
STANDBY
CURRENT MAX.
(µ
A
)
5
5
5
5
5
5
PACKAGE
W24258-55LL
W24258-70LL
W24258S-55LL
W24258S-70LL
W24258Q-55LL
W24258Q-70LL
600 mil DIP
600 mil DIP
330 mil SOP
330 mil SOP
Standard type one TSOP
Standard type one TSOP
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
where personal injury might occur as a consequence of product failure.
-7-
Publication Release Date: November 1998
Revision A5
WINBOND [ WINBOND ]
