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DC and AC characteristics M27C160
18/26
T
A
= 25 °C; V
CC
= 6.25V ± 0.25V; V
PP
= 12.5V ± 0.25V
Figure 11. Programming and Verify Modes AC Waveforms
Table 11. Programming Mode AC Characteristics
(1)
1. V
CC
must be applied simultaneously with or before VPP and removed simultaneously or after V
PP
.
Symbol Alt Parameter Test Condition Min Max Unit
t
AVEL
t
AS
Address Valid to Chip Enable Low 2 µs
t
QVEL
t
DS
Input Valid to Chip Enable Low 2 µs
t
VPHAV
t
VPS
V
PP
High to Address Valid 2 µs
t
VCHAV
t
VCS
V
CC
High to Address Valid 2 µs
t
ELEH
t
PW
Chip Enable Program Pulse Width 45 55 µs
t
EHQX
t
DH
Chip Enable High to Input Transition 2 µs
t
QXGL
t
OES
Input Transition to Output Enable Low 2 µs
t
GLQV
t
OE
Output Enable Low to Output Valid 120 ns
t
GHQZ
(2)
2. Sampled only, not 100% tested.
t
DFP
Output Enable High to Output Hi-Z 0 130 ns
t
GHAX
t
AH
Output Enable High to Address
Transi tio n
0ns
tAVEL
VALID
AI00744
A0-A19
Q0-Q15
BYTEV
PP
V
CC
G
DATA IN DATA OUT
E
tQVEL
tVPHAV
tVCHAV
tEHQX
tELEH
tGLQV
tQXGL
tGHQZ
tGHAX
PROGRAM VERIFY
