AM79C976 Advanced Micro Devices, AM79C976 Datasheet - Page 284
AM79C976
Manufacturer Part Number
AM79C976
Description
PCnet-PRO 10/100 Mbps PCI Ethernet Controller
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C976.pdf
(309 pages)
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SWITCHING WAVEFORMS: EXTERNAL MEMORY INTERFACE
284
SSRAM Timing
t
t
t
t
t
t
ERCLK
HIGH
LOW
O_SU
ERD_SU
ERD_H
Parameter
Symbol
Output Signals:
ERA, ERADSP, ERADV,
EROE, ERCE, ERWE, ERD
Input Signals: ERD
ERCLK Period
ERCLK High Time
ERCLK Low Time
SSRAM Output Signals
Set up time with respect to rising
edge of ERCLK
SSRAM ERD Input Signals Set Up
Time
SSRAM ERD Input Signals Hold
Time
ERCLK
Parameter Name
2.0 V
P R E L I M I N A R Y
1.5 V
0.8 V
@ 1.5 V
@ 1.5 V
@ 1.5 V
@ 1.5 V
@ 1.5 V
@ 1.5 V
Am79C976
t ERD_SU
t LOW
Test Condition
0.4V
t ERCLK
t HIGH
2.4 V
t O_SU
t ERD_H
11.111
4.5
4.5
2.5
5
1
Min
2.0 V
1.5 V
0.8 V
Max
22929B68
8/01/00
ns
ns
ns
ns
ns
ns
Unit
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