am49dl640bg Meet Spansion Inc., am49dl640bg Datasheet - Page 51

• 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.

FLASH AC CHARACTERISTICS
Alternate CE#f Controlled Erase and Program Operations
Notes:
1. Not 100% tested.
2. See the “Flash Erase And Programming Performance” section for more information.
50
JEDEC
t
t
t
t
WHWH1
WHWH1
WHWH2
t
t
t
t
t
t
t
t
t
EHWH
AVWL
DVEH
EHDX
GHEL
WLEL
ELAX
ELEH
EHEL
AVAV
Parameter
t
t
t
WHWH1
WHWH1
WHWH2
t
t
Std
GHEL
t
t
t
t
t
t
t
t
CPH
WC
WS
WH
AH
DS
DH
CP
AS
Description
Write Cycle Time (Note 1)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Read Recovery Time Before Write
(OE# High to WE# Low)
WE# Setup Time
WE# Hold Time
CE#f Pulse Width
CE#f Pulse Width High
Programming Operation
(Note 2)
Accelerated Programming Operation,
Word or Byte (Note 2)
Sector Erase Operation (Note 2)
P R E L I M I N A R Y
Am49DL640BG
Word
Byte
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Typ
Typ
Typ
Typ
70
70
40
40
40
Speed
0.4
30
March 8, 2002
0
0
0
0
0
5
7
4
85
85
45
45
45
Unit
sec
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs