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參數資料
| 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： | 7/14頁 |
| 文件大小： | 152K |
| 代理商： | W27C257 |
W27C257
Publication Release Date: September 1998
- 7 -
Revision A2
DC PROGRAMMING CHARACTERISTICS
(V
CC
= 5.0V
±
5%, T
A
= 25
°
C
±
5
°
C)
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
Program Current
I
CP
CE = V
IL
-
-
30
V
PP
Program 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
-
-
V
A9 Silicon I.D. Voltage
V
ID
-
11.5
12.0
12.5
V
V
PP
Program Voltage
V
PP
-
11.75
12.0
12.25
V
V
CC
Supply Voltage (Program)
V
CP
-
4.5
5.0
5.5
V
AC PROGRAMMING/ERASE CHARACTERISTICS
(V
CC
= 5.0V
±
5%, T
A
= 25
°
C
±
5
°
C)
PARAMETER
SYM.
LIMITS
UNIT
MIN.
TYP.
MAX.
V
PP
Setup Time
T
VPS
2.0
-
-
μ
S
μ
S
μ
S
μ
S
Address Setup Time
T
AS
2.0
-
-
Data Setup Time
T
DS
2.0
-
-
CE Program Pulse Width
T
PWP
95
100
105
CE Erase Pulse Width
T
PWE
95
100
105
mS
Data Hold Time
T
DH
2.0
-
-
μ
S
μ
S
OE Setup Time
T
OES
2.0
-
-
Data Valid from OE
T
OEV
-
-
150
nS
OE High to Output High Z
T
DFP
0
-
130
nS
Address Hold Time
T
AH
0
-
-
μ
S
μ
S
Address Hold Time after CE High (Erase)
T
AHC
2.0
-
-
Note: V
CC
must be applied simultaneously or before V
PP
and removed simultaneously or after V
PP
.
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| W27C512-70 | 64K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C512 | 64K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C512-12 | 64K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C512P-90 | 64K X 8 ELECTRICALLY ERASABLE EPROM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W27C4096 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 16 ELECTRICALLY ERASABLE EPROM |
| W27C4096-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 16 ELECTRICALLY ERASABLE EPROM |
| 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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