w27e520 Winbond Electronics Corp America, w27e520 Datasheet - Page 7
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w27e520
Manufacturer Part Number
w27e520
Description
64k X 8 Electrically Erasable Eprom
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W27E520.pdf
(16 pages)
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DC PROGRAMMING CHARACTERISTICS
(V
AC PROGRAMMING/ERASE CHARACTERISTICS
(V
Note: V
Address Latch Enable Width
ALE Program Pulse Width
ALE Erase Pulse Width
ALE Erase Pulse Width 1
ALE Erase Pulse Width 2
Latched Address Setup Time
Latched Address Hold Time
Address Setup Time
Address Hold Time
Data Setup Time
Data H old Time
Data Valid from
Data Valid from
Input Load Current
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage (Verify)
Output High Voltage (Verify)
A9 Silicon I.D. Voltage
V
V
OE /V
OE /V
OE /V
OE /V
OE /V
OE /V
DD
DD
DD
PP
PP
DD
= 6.5V 0.25V, T
= 6.5V 0.25V, T
Program Current
Program Voltage
Program Current
Supply Voltage (Program)
DD
PP
PP
PP
PP
PP
PP
must be applied simultaneously or before V
Pulse Rise Time
Hold Time
High to Output High Z
High Voltage Delay After ALE Low
Setup Time
Recovery Time
PARAMETER
A
A
OE /V
OE /V
= 25 C 5 C)
= 25 C 5 C)
PARAMETER
PP
PP
Low during Erase Verify
Low during Program Verify
SYM.
I
I
I
V
V
V
V
V
V
V
LI
CP
PP
IL
IH
OL
OH
HH
PP
DP
PP
and removed simultaneously or after V
V
ALE = V
ALE = V
I
I
V
OE /V
OE /V
OL
OH
IN
DD
= 2.1 mA
= V
= -0.4 mA
- 7 -
= 5V 10%
CONDITIONS
PP
PP
IL
IH
IH
or V
= V
= V
,
,
-
-
-
-
PP
PP
IH
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SYM.
PRT
ALE
PPW
EPW
EPW1
EPW2
LAS
LAH
AS
AH
OES
OEH
DS
DH
EOE
POE
DFP
VS
VR
Publication Release Date: September 2000
12.75
MIN.
MIN.
11.5
6.25
47.5
47.5
-0.3
500
100
100
-10
2.4
2.4
2.0
2.0
2.0
2.0
2.0
2.0
2.0
50
95
95
-
-
-
0
0
-
-
PP
.
LIMITS
TYP.
LIMITS
12.0
13.0
6.5
TYP.
100
100
-
-
-
-
-
-
-
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
W27E520
MAX.
13.25
DD
0.45
12.5
6.75
MAX.
0.8
10
30
30
52.5
52.5
105
105
150
150
130
-
+0.5
-
-
-
-
-
-
-
-
-
-
-
-
Revision A2
UNIT
UNIT
mA
mA
mS
mS
nS
nS
nS
nS
nS
nS
nS
V
V
V
V
V
V
V
A
S
S
S
S
S
S
S
S
S
S