AM49DL640BG25IS SPANSION [SPANSION], AM49DL640BG25IS Datasheet - Page 46

• Manufacturer Part Number: AM49DL640BG25IS
• Description: Stacked Multi-Chip Package (MCP) Flash Memory and SRAM
• Manufacturer: SPANSION [SPANSION]

Notes:
1. SADD = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Flash Write Operation Status”.
2. These waveforms are for the word mode.
FLASH AC CHARACTERISTICS
March 8, 2002
Addresses
RY/BY#
CE#f
WE#
Data
V
OE#
CC
f
t
VCS
t
Erase Command Sequence (last two cycles)
t
CS
GHWL
2AAh
t
WC
Figure 20. Chip/Sector Erase Operation Timings
t
WP
t
DS
55h
t
t
DH
CH
555h for chip erase
P R E L I M I N A R Y
t
WPH
SADD
t
AS
Am49DL640BG
10 for Chip Erase
t
AH
30h
t
BUSY
t
WHWH2
Read Status Data
VA
Progress
In
VA
Complete
t
RB
45