ws57c256f STMicroelectronics, ws57c256f Datasheet - Page 4

• Manufacturer Part Number: ws57c256f
• Description: High Speed Cmos Eprom
• Manufacturer: STMicroelectronics

AC CHARACTERISTICS
WS57C256F
NOTE:
3-16
PROGRAMMING INFORMATION
DC CHARACTERISTICS
PROGRAMMING WAVEFORM
SYMBOLS
SYMBOLS
I
I
I
V
V
10. During power up the PGM pin must be brought high (≥ V
LI
PP
CC
OL
OH
8. V
9. V
t
t
t
t
t
t
t
t
t
t
t
AS
COH
OES
OS
AH
OH
DF
OE
VS
PW
OCX
12.5 volts or vice-versa.
/t
CC
PP
CES
must not be greater than 13 volts including overshoot. During CE = PGM = V
must be applied either coincidentally or before V
CE/PGM
OE
V
ADDRESSES
PP
DATA
V
V
V
V
V
V
Input Leakage Current
(V
V
Programming Pulse (CE/ PGM = V
V
Output Low Voltage During Verify
(I
Output High Voltage During Verify
(I
PP
CC
IH
IL
IH
IL
OL
OH
PP
CC
Address Setup Time
CE High to OE High
Output Enable Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
Chip Disable to Output Float Delay
Data Valid From Output Enable
V
PGM Pulse Width
OE Low to CE "Don't Care"
IN
PP
= 16 mA)
Supply Current During
= –4 mA)
= V
Supply Current (Note 8)
Setup Time/CE Setup Time
CC
(T
(T
or Gnd)
PARAMETER
t
PARAMETER
t
t
t
CES
A
A
AS
OS
VS
= 25 ± 5°C, V
= 25 ± 5°C, V
DATA IN STABLE
t
PW
CC
CC
= 6.25 V ± 0.25 V, V
PP
= 6.25 V ± 0.25 V, V
ADDRESS STABLE
and removed either coincidentally or after V
t
IH
OH
IL
) either coincident with or before power is applied to V
)
t
OES
t
OCX
HIGH Z
MIN
100
2
2
2
2
0
2
0
2
2
PP
PP
t
IL
MIN
–10
OE
= 12.75 ± 0.25 V)
2.4
= 12.75 ± 0.25 V)
, V
PP
must not be switched from 5 volts to
TYP
DATA OUT
VALID
t
t
t
AH
DF
COH
PP
.
MAX
0.4
10
60
35
MAX
130
130
200
PP
.
UNITS
UNITS
µs
µs
µs
µs
µs
µs
ns
ns
µs
µs
µs
mA
mA
µA
V
V