m28w640hc- Numonyx, m28w640hc- Datasheet - Page 40

• Manufacturer Part Number: m28w640hc-
• Description: 64 Mbit 4 Mb X 16, Boot Block 3 V Supply Flash Memory
• Manufacturer: Numonyx

DC and AC parameters
40/72
Table 18.
1. Sampled only, not 100% tested.
2. Applicable if V
t
QVVPL
t
VPHEH
Symbol
t
t
t
WPHEH
QVWPL
t
t
t
t
t
t
t
t
t
t
EHWH
DVEH
EHAX
EHDX
EHGL
ELQV
WLEL
AVEH
EHEL
ELEH
AVAV
(1)(2)
(1)
Write AC characteristics, Chip Enable controlled
PP
t
t
t
t
is seen as a logic input (V
t
CPH
Alt
t
t
t
t
VPS
t
WC
WH
DS
AH
DH
CP
CS
AS
Write Cycle time
Address Valid to Chip Enable High
Data Valid to Chip Enable High
Chip Enable High to Address Transition
Chip Enable High to Data Transition
Chip Enable High to Chip Enable Low
Chip Enable High to Output Enable Low
Chip Enable High to Write Enable High
Chip Enable Low to Chip Enable High
Chip Enable Low to Output Valid
Output Valid to V
Data Valid to Write Protect Low
V
Write Enable Low to Chip Enable Low
Write Protect High to Chip Enable High
PP
High to Chip Enable High
PP
PP
< 3.6 V).
Low
Parameter
M28W640HCT, M28W640HCB
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
M28W640HCT,
70 ns
M28W640HCB
200
70
45
45
25
25
45
70
45
0
0
0
0
0
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns