am42bds640ag Meet Spansion Inc., am42bds640ag Datasheet - Page 51

• Manufacturer Part Number: am42bds640ag
• Description: 64 Megabit 4 M ? 16-bit Cmos 1.8 Volt-only, Simultaneous Operation, Burst Mode Flash Memory And 16 Mbit 1 M ? 16-bit Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Erase/Program Operations
Notes:
1. Not 100% tested.
2. In asynchronous timing, addresses are latched on the falling edge of WE#. In synchronous mode, addresses are latched on the
3. See the “Flash Erase And Programming Performance” section for more information.
4. Does not include the preprogramming time.
50
first of either the rising edge of AVD# or the active edge of CLK.
JEDEC
t
t
t
t
t
t
t
t
WHWH1
WHWH1
WHWH2
t
t
t
t
t
DVWH
WHDX
WHEH
WLWH
WHWL
WLAX
GHWL
AVWL
ELWL
AVAV
Parameter
Standard
t
t
t
t
WHWH1
WHWH1
WHWH2
t
t
t
t
t
t
t
t
GHWL
t
t
t
t
t
t
CSW1
CSW2
AVSW
AVHW
SR/W
AVHC
AVDP
t
t
t
CHW
t
t
WPH
VIDS
t
t
ACS
ACH
t
CAS
VCS
t
WC
WP
VID
DH
CH
AS
AH
DS
CS
Description
Write Cycle Time (Note 1)
Address Setup Time
(Note 2)
Address Hold Time
(Note 2)
Address Setup Time to CLK (Note 2)
Address Hold Time to CLK (Note 2)
Data Setup Time
Data Hold Time
Read Recovery Time Before Write
CE# Setup Time to AVD#
CE# Hold Time
Write Pulse Width
Write Pulse Width High
Latency Between Read and Write Operations
Programming Operation (Note 3)
Accelerated Programming Operation (Note 3)
Sector Erase Operation (Notes 3, 4)
Chip Erase Operation (Notes 3, 4)
V
V
V
Clock Setup Time to WE# (Asynchronous)
Clock Setup Time to WE# (Synchronous)
Clock Hold Time from WE#
CE# Setup Time to WE#
AVD# Setup Time to WE#
AVD# Hold Time to WE#
AVD# Hold Time to CLK
AVD# Low Time
ACC
ACC
CC
Setup Time
Rise and Fall Time
Setup Time (During Accelerated Programming)
P R E L I M I N A R Y
Am42BDS640AG
Synchronous
Asynchronous
Synchronous
Asynchronous
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Typ
Typ
Typ
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
All Speed
Options
November 1, 2002
26.8
500
0.2
2.5
80
45
45
50
30
50
12
5
0
7
5
7
0
0
0
0
8
1
5
5
0
1
5
1
0
5
Unit
sec
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns