AM29BDS640G SPANSION [SPANSION], AM29BDS640G Datasheet - Page 57

• Manufacturer Part Number: AM29BDS640G
• Description: 64 Megabit (4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
• Manufacturer: SPANSION [SPANSION]

AC Characteristics
Asynchronous Read
Notes:
1. Asynchronous Access Time is from the last of either stable addresses or the falling edge of AVD#.
2. Not 100% tested.
Note: RA = Read Address, RD = Read Data.
October 1, 2003 25903C1
JEDEC
Parameter
DQ15-DQ0
Standard
A21-A0
t
t
t
AAVDH
AVD#
AAVDS
t
t
t
t
AVDP
t
WE#
t
ACC
OEH
OEZ
CAS
OE#
CE#
CE
OE
Description
Access Time from CE# Low
Asynchronous Access Time (Note 1)
AVD# Low Time
Address Setup Time to Rising Edge of AVD
Address Hold Time from Rising Edge of AVD
Output Enable to Output Valid
Output Enable Hold
Time
Output Enable to High Z (Note 2)
CE# Setup Time to AVD#
Figure 18. Asynchronous Mode Read with Latched Addresses
P r e l i m i n a r y
t
t
CAS
OEH
Read
Toggle and
Data# Polling
Am29BDS640G
t
AAVDS
RA
t
CE
t
ACC
t
OE
t
AVDP
t
AAVDH
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Valid RD
D3, D4
D8, D9
13.5
70
70
10
t
OEZ
12
10
5
7
0
0
C3, C4
C8, C9
10.5
90
90
20
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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