W27E020 Datasheet, PDF (6/14 Pages) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

Preliminary W27E020
READ OPERATION DC CHARACTERISTICS
(Vcc = 5.0V ±10%)
PARAMETER
SYM.
CONDITIONS
Input Load Current
ILI
Output Leakage Current ILO
Standby VCC Current
ISB
(TTL input)
Standby VCC Current
ISB1
(CMOS input)
VCC Operating Current ICC
VPP Operating Current IPP
Input Low Voltage
VIL
Input High Voltage
VIH
Output Low Voltage
VOL
Output High Voltage
VOH
VPP Operating Voltage VPP
VIN = 0V to VCC
VOUT = 0V to VCC
CE = VIH
CE = VCC ±0.2V
CE = VIL
IOUT = 0 mA
f = 5 MHz
VPP = VCC
-
-
IOL = 2.1 mA
IOH = -0.4 mA
-
MIN.
-5
-10
-
LIMITS
TYP.
-
-
-
MAX.
5
10
1.0
UNIT
µA
µA
mA
-
5
100
µA
-
-
30
mA
-
-
10
µA
-0.3
-
0.8
V
2.0
-
VCC +0.5 V
-
-
0.45
V
2.4
-
-
V
VCC -0.7
-
VCC
V
READ OPERATION AC CHARACTERISTICS
(VCC = 5.0V ±10%, for 70, 90 and 120 nS; TA = 0 to 70° C)
PARAMETER
SYM. W27E020-70 W27E020-90 W27E020-12 UNIT
MIN. MAX. MIN. MAX. MIN. MAX.
Read Cycle Time
TRC
70
-
90
-
120
-
nS
Chip Enable Access Time TCE
-
70
-
90
-
120 nS
Address Access Time
TACC
-
70
-
90
-
120 nS
Output Enable Access
TOE
-
30
-
40
-
55
nS
Time
OE High to High-Z Output ^TDF
-
25
-
25
-
30
nS
Output Hold from Address TOH
0
-
0
-
0
-
nS
Change
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
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