A29040B Series
AC Characteristics
Read Only Operations
Parameter Symbols
Description
JEDEC Std
tAVAV
tRC Read Cycle Time (Note 2)
tAVQV
tACC Address to Output Delay
tELQV
tCE Chip Enable to Output Delay
tGLQV
tOE Output Enable to Output Delay
tEHQZ
tGHQZ
tAXQX
Read
Output Enable Hold
tOEH Time (Note 2)
Toggle and
Data Polling
tDF Chip Enable to Output High Z
(Notes 1,2)
tDF Output Enable to Output High Z
(Notes 1,2)
tOH Output Hold Time from Addresses,
CE or OE , Whichever Occurs First
Notes:
1. Output driver disable time.
2. Not 100% tested.
Test Setup
-55
Min. 55
CE = VIL Max. 55
OE = VIL
OE = VIL Max.
55
Max. 30
Min.
0
Min. 10
Max. 18
Max. 18
Min.
0
Speed
Unit
-70
-90
70
90
ns
70
90
ns
70
90
ns
30
35
ns
0
0
ns
10
10
ns
20
20
ns
20
20
ns
0
0
ns
Timing Waveforms for Read Only Operation
tRC
Addresses
CE
Addresses Stable
tACC
OE
tOE
tOEH
WE
tCE
tDF
tOH
Output
High-Z
Output Valid
0V
High-Z
PRELIMINARY (December, 2004, Version 0.2)
16
AMIC Technology, Corp.