D A T A S H E E T
AC CHARACTERISTICS
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
tAVWL
tWLAX
tDVWH
tWHDX
ns
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)
tGHWL
tGHWL
Min
0
ns
tELWL
tWHEH
tWLWH
tWHWL
tCS
tCH
CE# Setup Time
Min
Min
Min
Min
Typ
Typ
Typ
Min
Min
Max
0
0
ns
ns
ns
ns
CE# Hold Time
tWP
Write Pulse Width
Write Pulse Width High
30
30
30
20
7
35
45
tWPH
Byte
Programming Operation (Note
2)
tWHWH1
tWHWH2
tWHWH1
µs
Word
12
1
tWHWH2 Sector Erase Operation (Note 2)
sec
µs
tVCS
tRB
VCC Setup Time (Note 1)
50
0
Recovery Time from RY/BY#
ns
tBUSY
Program/Erase Valid to RY/BY# Delay
30
30
30
30
35
ns
Notes:
1. Not 100% tested.
2. See the “Erase and Programming Performance” section for more information.
November 11, 2009 21505E8
Am29F400B
29
CYPRESS [ CYPRESS ]
