DC and ac parameters M29F200BT, M29F200BB
32/39
Figure 10. Write ac waveforms, Chip Enable controlled
Table 14. Write AC Characteristics, Chip Enable Controlled
(T
A
= 0 to 70 °C, –40 to 85 °C or –40 to 125 °C)
Symbol Alt Parameter
M29F200B
Unit
45 50 70 / 90
t
AVAV
t
WC
Address Valid to Next Address Valid Min 45 50 70 ns
t
WLEL
t
WS
Write Enable Low to Chip Enable Low Min 0 0 0 ns
t
ELEH
t
CP
Chip Enable Low to Chip Enable High Min 40 40 45 ns
t
DVEH
t
DS
Input Valid to Chip Enable High Min 25 25 30 ns
t
EHDX
t
DH
Chip Enable High to Input Transition Min 0 0 0 ns
t
EHWH
t
WH
Chip Enable High to Write Enable High Min 0 0 0 ns
t
EHEL
t
CPH
Chip Enable High to Chip Enable Low Min 20 20 20 ns
t
AVEL
t
AS
Address Valid to Chip Enable Low Min 0 0 0 ns
t
ELAX
t
AH
Chip Enable Low to Address Transition Min 40 40 45 ns
t
GHEL
Output Enable High Chip Enable Low Min 0 0 0 ns
t
EHGL
t
OEH
Chip Enable High to Output Enable Low Min 0 0 0 ns
t
EHRL
(1)
t
BUSY
Program/Erase Valid to RB Low Max 30 30 30 ns
t
VCHWL
t
VCS
V
CC
High to Write Enable Low Min 50 50 50 µs
1. Sampled only, not 100% tested.
AI01992
E
G
W
A0-A16/
A–1
DQ0-DQ7/
DQ8-DQ15
VALID
VALID
V
CC
tVCHWL
tEHWH
tEHEL
tWLEL
tAVEL
tEHGL
tELAX
tEHDX
tAVAV
tDVEH
tELEHtGHEL
RB
tEHRL
