AM79C970AKCW AMD [Advanced Micro Devices], AM79C970AKCW Datasheet - Page 177
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AM79C970AKCW
Manufacturer Part Number
AM79C970AKCW
Description
PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C970AKCW.pdf
(219 pages)
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SWITCHING CHARACTERISTICS: Bus Interface
Clock Timing
Output and Float Delay Timing
Setup and Hold Timing
Parameter
tVAL (REQ)
tSU (GNT)
tH (GNT)
Symbol
tHIGH
FCLK
tFALL
tRISE
tCYC
tLOW
tVAL
tOFF
tON
tSU
tH
Parameter Description
CLK Frequency
CLK Period
CLK High Time
CLK Low Time
CLK Fall Time
CLK Rise Time
AD[31:00], C/BE[3:0], PAR,
FRAME, IRDY, TRDY, STOP,
DEVSEL, PERR, SERR
Valid Delay
REQ Valid Delay
AD[31:00], C/BE[3:0], PAR, FRAME,
IRDY, TRDY, STOP, DEVSEL
Active Delay
AD[31:00], C/BE[3:0], PAR, FRAME,
IRDY, TRDY, STOP, DEVSEL
Float Delay
AD[31:00], C/BE[3:0], PAR, FRAME,
IRDY, TRDY, STOP, LOCK, DEVSEL,
IDSEL
Setup Time
AD[31:00], C/BE[3:0], PAR, FRAME,
IRDY, TRDY, STOP, LOCK, DEVSEL,
IDSEL
Hold Time
GNT Setup Time
GNT Hold Time
P R E L I M I N A R Y
Am79C970A
Test Conditions
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 2.0 V for VDDB = 5 V
@ 0.475 VDDB for VDDB = 3.3 V
@ 0.8 V for VDDB = 5 V
@ 0.325 VDDB for VDDB = 3.3 V
Over 2 V p-p for VDDB = 5 V
Over 0.4 VDDB p–p for
VDDB = 3.3 V (Note 1)
Over 2 V p-p for VDDB = 5 V
Over 0.4 VDDB p–p for
VDDB = 3.3 V (Note 1)
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
@ 1.5 V for VDDB = 5 V
@ 0.4 VDDB for VDDB = 3.3 V
Min
30
12
12
10
0
1
1
2
2
2
7
0
0
Max
33
11
12
11
28
4
4
AMD
MHz
V/ns
V/ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
177
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