am49dl640bg Meet Spansion Inc., am49dl640bg Datasheet - Page 45

• Manufacturer Part Number: am49dl640bg
• Description: 64 Mbit 8 M ? 8-bit/4 M ? 16-bit Cmos And 32 Mbit 512k ? 16-bit Pseudo Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

Notes:
1. PA = program address, PD = program data, D
2. Illustration shows device in word mode.
FLASH AC CHARACTERISTICS
44
Addresses
WP#/ACC
RY/BY#
CE#f
WE#
Data
V
OE#
CC
f
V
V
t
IL
VCS
HH
or V
IH
Program Command Sequence (last two cycles)
555h
t
CS
t
t
t
VHH
WC
GHWL
Figure 19. Accelerated Program Timing Diagram
Figure 18. Program Operation Timings
t
WP
t
DS
A0h
t
DH
t
P R E L I M I N A R Y
CH
OUT
t
WPH
is the true data at the program address.
t
AS
Am49DL640BG
PA
t
AH
PD
t
BUSY
t
WHWH1
Read Status Data (last two cycles)
PA
Status
t
VHH
D
V
OUT
PA
IL
March 8, 2002
or V
t
RB
IH