w27c520 Winbond Electronics Corp America, w27c520 Datasheet - Page 6

• Manufacturer Part Number: w27c520
• Description: 64k X 8 Electrically Erasable Eprom
• Manufacturer: Winbond Electronics Corp America

READ OPERATION DC CHARACTERISTICS
(V
READ OPERATION AC CHARACTERISTICS
(V
Note: V
Input Load Current
Output Leakage Current
Standby V
(CMOS input)
V
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Address Latch Enable Access Time
Address Latch Enable Width
Address Access Time
Address Setup Time
Address Hold Time
Output Enable Access Time
Output Hold from Address Change
DD
DD
OE
DD
= 3.0V to 3.6V or 4.5V to 5.5V, T
= 3.0V to 3.6V or 4.5V to 5.5V, T
/VPP High to High-Z Output
Operating Current
DD
PARAMETER
must be applied simultaneously or before V
DD
PARAMETER
Current
SYM.
I
I
I
I
V
V
V
V
LI
LO
SB
DD
A
A
IL
IH
OL
OH
= 0 to 70 C)
= 0 to 70 C)
V
V
V
3.6V
V
5.5V
V
3.6V
V
5.5V
I
I
OL
OH
DD
DD
DD
DD
IN
OUT
= 2.1 mA
= 0V to V
= -0.4 mA
= 3.0V to
= 4.5V to
= 3.0V to
= 4.5V to
= 0V to V
PP
and removed simultaneously or after V
SYM.
T
T
CONDITIONS
T
T
T
T
T
T
ACC
ALE
CE
AH
OE
OH
AS
DF
- 6 -
DD
DD
ALE = V
inputs = GND/
V
ALE = VIL,
IOUT = 0 mA
f = 5 MHz
-
-
OE
0.3V All others
DD
/VPP = V
MIN.
W27C520-70
0.3V
45
15
15
0
-
-
-
-
DD
Preliminary W27C520
DD
0.3V,
MAX.
70
70
35
25
-
-
-
-
MIN.
-0.6
2.0
2.4
-5
-5
-
-
-
-
MIN.
W27C520-90
PP
45
15
15
0
-
-
-
-
LIMITS
.
TYP.
-
-
-
-
-
-
-
-
-
-
MAX.
90
90
35
25
MAX.
-
-
-
-
+0.3
V
100
0.8
0.4
20
20
5
5
8
DD
-
UNIT
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
mA
V
V
V
V
A
A
A