A29040 Series
AC Characteristics
Read Only Operations
Parameter Symbols
Description
JEDEC Std
tAVAV
tRC Read Cycle Time (Note 2)
Test Setup
-55
Min. 55
tAVQV
tELQV
tGLQV
tEHQZ
tGHQZ
tAXQX
tACC Address to Output Delay
CE = VIL Max. 55
OE = VIL
tCE Chip Enable to Output Delay
tOE Output Enable to Output Delay
OE = VIL Max. 55
Max. 30
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
Min. 0
Min. 10
Max. 18
Max. 18
Min. 0
Notes:
1. Output driver disable time.
2. Not 100% tested.
Timing Waveforms for Read Only Operation
Speed
Unit
-70 -90 -120 -150
70 90 120 150 ns
70 90 120 150 ns
70 90 120 150 ns
30 35 50 55 ns
0
0
0
0 ns
10 10 10 10 ns
20 20 30 35 ns
20 20 30 35 ns
0
0
0
0 ns
tRC
Addresses
CE
OE
WE
Addresses Stable
tACC
tOEH
tOE
tCE
tDF
tOH
Output
High-Z
Output Valid
High-Z
0V
PRELIMINARY (August, 2001, Version 0.5)
17
AMIC Technology, Inc.