s29as008j Meet Spansion Inc., s29as008j Datasheet - Page 46

• Manufacturer Part Number: s29as008j
• Description: 8 Megabit 1 M X 8-bit/512 K X 16-bit Cmos 1.8 Volt-only Boot Sector Flash Memory
• Manufacturer: Meet Spansion Inc.

18.4
46
Erase/Program Operations
Notes
1. Not 100% tested.
2. See
Notes
1. PA = program address, PD = program data, D
2. Illustration shows device in word mode.
t
t
JEDEC
Addresses
t
t
t
t
WHWH1
WHWH2
t
t
t
t
t
t
WLWH
WHWL
DVWH
WHDX
GHWL
WHEH
AVWL
WLAX
ELWL
AVAV
Erase and Programming Performance on page 51
RY/BY#
Parameter
WE#
Data
CE#
OE#
V
CC
t
t
WHWH1
WHWH2
t
t
t
GHWL
t
t
t
BUSY
SR/W
Std
t
t
WPH
t
t
t
t
OES
t
t
VCS
t
t
WC
WP
AS
AH
DS
DH
CS
CH
RB
VCS
D a t a
Program Command Sequence (last two cycles)
Write Cycle Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Output Enable Setup Time
Read Recovery Time Before Write
(OE# High to WE# Low)
CE# Setup Time
CE# Hold Time
Write Pulse Width
Write Pulse Width High
Latency Between Read and Write Operations
Programming Operation
Sector Erase Operation
V
Recovery Time from RY/BY#
Program/Erase Valid to RY/BY# Delay
555h
CC
t
CS
t
WC
Setup Time
S h e e t
Figure 18.5 Program Operation Timings
t
WP
t
DS
A0h
OUT
(Note 1)
t
(Note 1)
DH
S29AS008J
t
CH
is the true data at the program address.
Description
t
WPH
(Note 2)
(Note 2)
( A d v a n c e
for more information.
t
AS
PA
t
AH
PD
t
BUSY
Byte
Word
I n f o r m a t i o n )
t
WHWH1
Read Status Data (last two cycles)
Max
Min
Min
Min
Typ
S29AS008J_00_03 June 6, 2008
PA
Status
Speed Options
0.5
70
70
45
35
35
20
20
50
90
0
0
0
0
0
0
6
6
0
D
OUT
PA
t
RB
Unit
sec
ns
ns
µs
µs
ns