D A T A S H E E T
AC CHARACTERISTICS
Alternate CE# Controlled Erase/Program Operations
Parameter
Speed Options
JEDEC
tAVAV
Std
tWC
tAS
Description
-45
-50
-55
55
0
-70
-90
Unit
ns
Write Cycle Time (Note 1)
Address Setup Time
Address Hold Time
Data Setup Time
Min
Min
Min
Min
Min
Min
45
50
70
90
tAVEL
ns
tELAX
tDVEH
tEHDX
tAH
45
25
45
25
45
25
0
45
30
45
45
ns
tDS
ns
tDH
tOES
Data Hold Time
ns
Output Enable Setup Time
0
ns
Read Recovery Time Before Write
(OE# High to WE# Low)
tGHEL
tGHEL
Min
0
ns
tWLEL
tEHWH
tELEH
tEHEL
tWS
tWH
tCP
WE# Setup Time
WE# Hold Time
Min
Min
Min
Min
Typ
Typ
Typ
0
0
ns
ns
ns
ns
CE# Pulse Width
CE# Pulse Width High
30
30
30
20
7
35
45
tCPH
Byte
Programming Operation
(Note 2)
tWHWH1
tWHWH2
tWHWH1
tWHWH2
µs
Word
12
1
Sector Erase Operation (Note 2)
sec
Notes:
1. Not 100% tested.
2. See the “Erase and Programming Performance” section for more information.
34
Am29F400B
21505E8 November 11, 2009
CYPRESS [ CYPRESS ]
