W27C020M Datasheet, PDF (6/14 Pages) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

Preliminary W27C020M
READ OPERATION DC CHARACTERISTICS
(Vcc = 5.0V ±5%)
PARAMETER
SYM.
CONDITIONS
Input Load Current
Output Leakage Current
Standby VCC Current
(TTL input)
Standby VCC Current
(CMOS input)
VCC Operating Current
VPP Operating Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
VPP Operating Voltage
ILI
VIN = 0V to VCC
ILO
VOUT = 0V to VCC
ISB
CE = VIH
ISB1 _{CE = VCC ±0.3V}
ICC
IPP
VIL
VIH
VOL
VOH
VOH2
VPP
CE = VIL
IOUT = 0 mA
f = 5 MHz
VPP = VCC
-
-
IOL = 2.1 mA
IOH = -0.4 mA
IOH = -0.1 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
2.2
-
VCC +0.5 V
-
-
0.45
V
2.4
-
-
V
-
-
3.8
V
VCC -0.7
-
VCC
V
READ OPERATION AC CHARACTERISTICS
(VCC = 5.0V ±5%, for 70, 90 and 120 nS; TA = 0 to 70° C)
PARAMETER
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access
Time
OE High to High-Z Output
Output Hold from Address
Change
SYM.
TRC
TCE
TACC
TOE
W27C020M-70
MIN. MAX.
70
-
-
70
-
70
-
30
W27C020M-90
MIN. MAX.
90
-
-
90
-
90
-
40
W27C020M-12
MIN. MAX.
120
-
-
120
-
120
-
55
UNIT
nS
nS
nS
nS
TDF
-
25
TOH
0
-
-
25
-
30 nS
0
-
0
-
nS
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
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