m27w801 STMicroelectronics, m27w801 Datasheet - Page 17

• Manufacturer Part Number: m27w801
• Description: 8 Mbit 1mb X8 Low Voltage Uv Eprom And Otp Eprom
• Manufacturer: STMicroelectronics

M27W801
Figure 10. Programming and Verify modes AC waveforms
Table 11.
1. T
2. V
3. Sampled only, not 100% tested.
Symbol
t
t
t
t
t
EHQZ
VPLVPH
t
t
t
VCHEL
EHVPX
t
t
t
VPHEL
t
VPLEL
EHQX
EHAX
QVEL
ELEH
ELQV
AVEL
A
CC
= 25 °C; V
A0-A19
Q0-Q7
V CC
GV PP
E
(3)
must be applied simultaneously with or before V
t
t
t
t
t
t
t
OES
t
OEH
t
t
Alt
t
VCS
PRT
t
DFP
Programming mode AC characteristics
PW
AS
DS
DH
VR
DV
AH
CC
= 6.25V ± 0.25V; V
Address Valid to Chip Enable Low
Input Valid to Chip Enable Low
V
V
V
Chip Enable Program Pulse Width (Initial)
Chip Enable High to Input Transition
Chip Enable High to V
V
Chip Enable Low to Output Valid
Chip Enable High to Output Hi-Z
Chip Enable High to Address Transition
CC
PP
PP
PP
High to Chip Enable Low
Rise Time
Low to Chip Enable Low
High to Chip Enable Low
tVCHEL
tVPHEL
tQVEL
tAVEL
DATA IN
PP
Parameter
= 12.75V ± 0.25V
PROGRAM
PP
Transition
VALID
tELEH
PP
and removed simultaneously or after V
tEHQX
tEHVPX
(1) (2)
Condition
tVPLEL
Test
VERIFY
tELQV
DATA OUT
DC and AC parameters
Min
50
45
2
2
2
2
2
2
2
0
0
Max
tEHAX
PP
130
tEHQZ
55
1
.
AI01270
Unit
17/24
µs
µs
µs
ns
ns
µs
µs
µs
µs
ns
µs
µs