W27C020 Datasheet, PDF (7/14 Pages) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

Preliminary W27C020
DC PROGRAMMING CHARACTERISTICS
(VCC = 5.0V ±5%, TA = 25° C ±5° C)
PARAMETER
SYM.
CONDITIONS
Input Load Current
VCC Program Current
VPP Program Current
Input Low Voltage
Input High Voltage
Output Low Voltage (Verify)
Output High Voltage (Verify)
A9 Silicon I. D. Voltage
VPP Program Voltage
VCC Supply Voltage (Program)
ILI
ICP
IPP
VIL
VIH
VOL
VOH
VID
VPP
VCP
VIN = VIL or VIH
CE = VIL, OE = VIH,
PGM = VIL
CE = VIL, OE = VIH,
PGM = VIL
-
-
IOL = 2.1 mA
IOH = -0.4 mA
-
-
-
MIN.
-
-
LIMITS
TYP.
-
-
MAX.
±10
30
UNIT
µA
mA
-
-
30 mA
-0.3
-
0.8
V
2.4
-
5.5
V
-
-
0.45
V
2.4
-
-
V
11.5 12.0 12.5 V
11.75 12.0 12.25 V
4.5 5.0 5.5
V
AC PROGRAMMING/ERASE CHARACTERISTICS
(VCC = 5.0V ±5%, TA = 25° C ±5° C)
PARAMETER
VPP Setup Time
Address Setup Time
Data Setup Time
PGM Program Pulse Width
PGM Erase Pulse Width
Data Hold Time
OE Setup Time
Data Valid from OE
OE High to Output High Z
Address Hold Time after PGM High
Address Hold Time (Erase)
CE Setup Time
SYM.
TVPS
TAS
TDS
TPWP
TPWE
TDH
TOES
TOEV
TDFP
TAH
TAHE
TCES
MIN.
2.0
2.0
2.0
95
95
2.0
2.0
-
0
0
2.0
2.0
LIMITS
TYP.
-
-
-
100
100
-
-
-
-
-
-
-
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
MAX.
-
-
-
105
105
-
-
150
130
-
-
-
UNIT
µS
µS
µS
µS
mS
µS
µS
nS
nS
µS
µS
µS
Publication Release Date: September 1998
-7-
Revision A1