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參數(shù)資料
| 型號： | W27C257 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 32K×8bit Electrically Eresable EPROM(32K×8位電可擦除EPROM) |
| 中文描述： | 32K的電Eresable × 8位存儲器（32K的× 8位電可擦除存儲器） |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 152K |
| 代理商： | W27C257 |
W27C257
- 4 -
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
RATING
UNIT
Ambient Temperature with Power Applied
-55 to +125
°
C
°
C
V
Storage Temperature
-65 to +125
Voltage on all pins with Respect to Ground Except V
PP,
A9
and V
CC
pins
-0.5 to V
CC
+0.5
Voltage on V
PP
Pin with Respect to Ground
-0.5 to +14.5
V
Voltage on A9 Pin with Respect to Ground
-0.5 to +14.5
V
Voltage on V
CC
Pin with Respect to Ground
-0.5 to +7
V
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC Erase Characteristics
(T
A
= 25
°
C
±
5
°
C, V
CC
= 5.0V
±
5%)
PARAMETER
SYM.
CONDITIONS
LIMITS
UNIT
MIN.
TYP.
MAX.
Input Load Current
I
LI
V
IN
= V
IL
or V
IH
-10
-
10
μ
A
mA
V
CC
Erase Current
I
CP
CE = V
IL
-
-
30
V
PP
Erase Current
I
PP
CE = V
IL
-
-
30
mA
Input Low Voltage
V
IL
-
-0.3
-
0.8
V
Input High Voltage
V
IH
-
2.4
-
5.5
V
Output Low Voltage (Verify)
V
OL
I
OL
= 2.1 mA
-
-
0.45
V
Output High Voltage (Verify)
V
OH
I
OH
= -0.4 mA
2.4
-
-
-
A9 Erase Voltage
V
ID
-
13.75
14
14.25
V
V
PP
Erase Voltage
V
PE
-
13.75
14
14.25
V
V
CC
Supply Voltage (Erase)
V
CE
-
4.5
5.0
5.5
V
Note: V
CC
must be applied simultaneously or before V
PP
and removed simultaneously or after V
PP
.
CAPACITANCE
(V
CC
= 5V, T
A
= 25
°
C, f = 1 MHz)
PARAMETER
SYMBOL
C
IN
C
OUT
CONDITIONS
V
IN
= 0V
V
OUT
= 0V
MAX.
6
12
UNIT
pF
pF
Input Capacitance
Output Capacitance
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PDF描述 |
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| W27C512P-12 | Shielded Paired Cable; Number of Conductors:8; Conductor Size AWG:18; No. Strands x Strand Size:19 x 30; Jacket Material:Polyvinylchloride (PVC); Number of Pairs:4; Leaded Process Compatible:Yes; Voltage Nom.:300V RoHS Compliant: Yes |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W27C4096 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 16 ELECTRICALLY ERASABLE EPROM |
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| W27C4096-15 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 16 ELECTRICALLY ERASABLE EPROM |
| W27C4096P-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 16 ELECTRICALLY ERASABLE EPROM |
| W27C4096P-15 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 16 ELECTRICALLY ERASABLE EPROM |
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