D A T A S H E E T
AC CHARACTERISTICS
Asynchronous Mode Read
Parameter
JEDEC Standard Description
75 MHz
45
66 MHz
50
54 MHz
Unit
ns
tCE
tACC
tAVDP
Access Time from CE# Low
Asynchronous Access Time (Note 1)
AVD# Low Time
Max
55
55
12
5
Max
Min
Min
45
50
ns
10
4
ns
tAAVDS Address Setup Time to Rising Edge of AVD
ns
tAAVDH Address Hold Time from Rising Edge of AVD Min
5.5
8.5
6
11
0
7
ns
tOE
Output Enable to Output Valid
Max
Min
13.5
ns
Read
ns
Output Enable Hold
tOEH
Toggle and
Data# Polling
Time
Min
8
8
10
10
ns
tOEZ
tCAS
Output Enable to High Z (Note 2)
CE# Setup Time to AVD#
Max
Min
ns
ns
0
Notes:
1. Asynchronous Access Time is from the last of either stable addresses or the falling edge of AVD#.
2. Not 100% tested.
66
Am29BDS128H/Am29BDS640H
27024B3 May 10, 2006