A29002/A290021 Series
AC Characteristics
Read Only Operations
Parameter Symbols
Description
Test Setup
Speed
Unit
JEDEC
Std
-55
-70
-90 -120
-150
Read Cycle Time (Note 2)
Address to Output Delay
tAVAV
tRC
Min.
55
70
90
90
120
120
150
ns
ns
tAVQV
tACC
= VIL
Max.
CE
55
70
150
= VIL
OE
Chip Enable to Output Delay
Output Enable to Output Delay
tELQV
tGLQV
tCE
tOE
Max.
Max.
Min.
55
30
0
70
30
0
90
35
0
120 150
ns
ns
ns
= VIL
OE
50
0
55
0
Read
Output Enable Hold
tOEH
Toggle and
Polling
Min.
10
10
10
10
Time (Note 2)
10
ns
Data
Chip Enable to Output High Z
(Notes 1,2)
tEHQZ
tGHQZ
tAXQX
tDF
tDF
tOH
Max.
18
18
0
20
20
0
20
20
0
30
30
0
35
35
0
ns
ns
ns
Output Enable to Output High Z
(Notes 1,2)
Output Hold Time from Addresses,
Min.
or
CE OE
, Whichever Occurs First
Notes:
1. Output driver disable time.
2. Not 100% tested.
Timing Waveforms for Read Only Operation (
=VIH on A29002)
RESET
tRC
Addresses
Addresses Stable
tACC
CE
OE
tDF
tOE
tOEH
WE
tCE
tOH
High-Z
High-Z
Output
Output Valid
0V
(February, 2002, Version 1.0)
17
AMIC Technology, Inc.
AMICC [ AMIC TECHNOLOGY ]
