Data retention characteristics, Data retention waveform, Ordering information – Rainbow Electronics W24L257 User Manual
Page 7
Preliminary W24L257
Publication Release Date: May 2000
- 7 -
Revision A1
DATA RETENTION CHARACTERISTICS
(T
A
(
°C) = 0 to 70 for LL, -20 to 85 for LE)
PARAMETER SYM.
TEST
CONDITIONS
MIN.
TYP.
MAX. UNIT
V
DD
for Data Retention
V
DR
CS
≥ V
DD
-0.2V
2.0 - - V
Data Retention Current
I
DDDR
CS
≥ V
DD
-0.2V, V
DD
= 3V
- - 15
µA
Chip Deselect to Data
Retention Time
T
CDR
See data retention waveform
0
-
-
nS
Operation Recovery Time
T
R
T
RC
* - - nS
*
Read Cycle Time
DATA RETENTION WAVEFORM
T
CDR
- 0.2V
DD
V
V
DD
CS
T
R
CS
V
DR
2V
=
>
=
>
0.9
DD
V
0.9
DD
V
ORDERING INFORMATION
PART NO.
ACCESS
TIME
(nS)
OPERATING
VOLTAGE
(V
)
OPERATING
TEMPERATURE
(
°C
)
STANDBY
CURRENT
MAX.(
µA)
PACKAGE
W24L257S70LL
70
3.0V to 3.6V
0 to 70
15
450 mil SOP
W24L257S70LE
70
3.0V to 3.6V
0 to 70
15
450 mil SOP
W24L257Q70LL
70
3.0V to 3.6V
0 to 70
15
Small TSOP
W24L257Q70LE
70
3.0V to 3.6V
0 to 70
15
Small 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.