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参数资料
| 型号： | W24257C-70LL |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | SRAM |
| 英文描述： | 32K X 8 STANDARD SRAM, 70 ns, PDIP28 |
| 封装： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件页数： | 9/11页 |
| 文件大小： | 211K |
| 代理商： | W24257C-70LL |
Preliminary W24257C
Publication Release Date: January 1999
- 7 -
Revision A1
DATA RETENTION CHARACTERISTICS
(TA = 0 to 70
° C)
PARAMETER
SYM.
TEST CONDITIONS
MIN. TYP. MAX. UNIT
VDD for Data Retention
VDR
CS
≥ VDD -0.2V
2.0
-
V
Data Retention Current
IDDDR
CS
≥ VDD -0.2V
LL
-
20
A
VDD = 3V
L
-
50
A
Chip Deselect to Data Retention Time
TCDR
See data retention
0
-
nS
Operation Recovery Time
TR
waveform
TRC*
-
nS
TRC
* = Read Cycle Time
DATA RETENTION WAVEFORM
4.5V
V
> 2V
DATA RETENTION MODE
CS
4.5V
=
DR
-0.2V
CS1 > VDD
VDD
TR
TCDR
VIH
ORDERING INFORMATION
PART NO.
ACCESS
TIME (nS)
OPERATING
CURRENT
MAX. (mA)
STANDBY
CURRENT
MAX. (mA)
PACKAGE
W24257C-70LL
70
80
50
600 mil DIP
W24257C-70L
70
80
100
600 mil DIP
W24257C-10L
100
70
100
600 mil DIP
W24257CS70LL
70
80
50
330 mil SOP
W24257CS-70L
70
80
100
330 mil SOP
W24257CS-10L
100
70
100
330 mil SOP
W24257CK70LL
70
80
50
300 mil Skinny
W24257CK-70L
70
80
100
300 mil Skinny
W24257CK-10L
100
70
100
300 mil Skinny
W24257CJ70LL
70
80
50
300 mil SOJ
W24257CJ-70L
70
80
100
300 mil SOJ
W24257CJ-10L
100
70
100
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W24257K70LL | 制造商:WINBOND 功能描述:New |
| W24257Q-70L | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
| W24257Q-70LE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
| W24257Q-70LL | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
| W24257S-70L | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
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