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A290021T-90 View Datasheet(PDF) - AMIC Technology

Part NameDescriptionManufacturer
A290021T-90 256K X 8 Bit CMOS 5.0 Volt-only, Boot Sector Flash Memory AMICC
AMIC Technology AMICC
A290021T-90 Datasheet PDF : 32 Pages
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A29002/A290021 Series
AC Characteristics
Read Only Operations
Parameter Symbols
Description
Test Setup
JEDEC
tAVAV
Std
tRC Read Cycle Time (Note 2)
-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
tOEH
Output Enable Hold
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
18
Min. 0
Speed
-70 -90 -120 -150
70 90 120 150
70 90 120 150
70 90 120 150
30 35 50 55
0000
10 10 10 10
20 20 30 35
20 20 30 35
0000
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes:
1. Output driver disable time.
2. Not 100% tested.
Timing Waveforms for Read Only Operation ( RESET =VIH on A29002)
Addresses
CE
OE
WE
tRC
Addresses Stable
tACC
tOEH
tOE
tCE
tDF
tOH
Output
High-Z
Output Valid
High-Z
0V
PRELIMINARY (June, 2000, Version 0.2)
17
AMIC Technology, Inc.
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