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參數(shù)資料
| 型號(hào)： | W24257C |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態(tài)RAM) |
| 中文描述： | 32K的× 8位的CMOS靜態(tài)RAM（32K的× 8位的CMOS靜態(tài)RAM）的 |
| 文件頁數(shù)： | 7/11頁 |
| 文件大小： | 211K |
| 代理商： | W24257C |
Preliminary W24257C
- 7 -
Publication Release Date: January 1999
Revision A1
DATA RETENTION CHARACTERISTICS
(T
A
= 0 to 70
°
C)
PARAMETER
SYM.
V
DR
TEST CONDITIONS
MIN. TYP. MAX. UNIT
2.0
-
V
DD
for Data Retention
CS
≥
V
DD
-0.2V
-
V
Data Retention Current
I
DDDR
CS
≥
V
DD
-0.2V
V
DD
= 3V
See data retention
waveform
LL
-
-
20
μ
A
L
-
0
-
-
-
50
-
-
μ
A
nS
nS
Chip Deselect to Data Retention Time
Operation Recovery Time
T
CDR
T
R
T
RC
*
T
RC
*
= Read Cycle Time
DATA RETENTION WAVEFORM
4.5V
V
>2V
=
DATA RETENTION MODE
CS
4.5V
DR
-0.2V
CS1=
DD
V
DD
T
R
T
CDR
V
IH
V
IH
ORDERING INFORMATION
PART NO.
ACCESS
TIME (nS)
OPERATING
CURRENT
MAX. (mA)
80
80
70
80
80
70
80
80
70
80
80
70
STANDBY
CURRENT
MAX. (mA)
50
100
100
50
100
100
50
100
100
50
100
100
PACKAGE
W24257C-70LL
W24257C-70L
W24257C-10L
W24257CS70LL
W24257CS-70L
W24257CS-10L
W24257CK70LL
W24257CK-70L
W24257CK-10L
W24257CJ70LL
W24257CJ-70L
W24257CJ-10L
70
70
100
70
70
100
70
70
100
70
70
100
600 mil DIP
600 mil DIP
600 mil DIP
330 mil SOP
330 mil SOP
330 mil SOP
300 mil Skinny
300 mil Skinny
300 mil Skinny
300 mil SOJ
300 mil SOJ
300 mil SOJ
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W24258C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態(tài)RAM) |
| W24258S-55LL | 32K X 8 CMOS STATIC RAM |
| W24258S-70LE | 32K X 8 CMOS STATIC RAM |
| W24258S-70LI | 32K X 8 CMOS STATIC RAM |
| W24258S-70LL | 32K X 8 CMOS STATIC RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W24257K70LL | 制造商:WINBOND 功能描述:New |
| W24257Q-70L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257S-70L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
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