AM79C971VCW Advanced Micro Devices, AM79C971VCW Datasheet - Page 204
AM79C971VCW
Manufacturer Part Number
AM79C971VCW
Description
PCnet-FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C971VCW.pdf
(265 pages)
- Current page: 204 of 265
- Download datasheet (4Mb)
SWITCHING CHARACTERISTICS: BUS INTERFACE (CONTINUED)
Notes:
1. Not tested; parameter guaranteed by design characterization.
2. Parameter value is given for automatic EEPROM read operation. When EEPROM port (BCR19) is used to access the
204
Parameter
Symbol
Setup and Hold Timing
t
t
t
t
EEPROM Timing
f
t
t
t
t
t
t
t
JTAG (IEEE 1149.1) Test Signal Timing
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SU
H
SU
H
EESK
HIGH
LOW
VAL
VAL
LOW
SU
H
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
(GNT)
(EEDO)
EEPROM, software is responsible for meeting EEPROM timing requirements.
(GNT)
(EEDO)
(EEDI)
(EECS)
(EECS)
(EESK)
(EESK)
Parameter Name
AD[31:00], C/BE[3:0], PAR, FRAME,
IRDY, TRDY, STOP, DEVSEL,
IDSEL Setup Time
AD[31:00], C/BE[3:0], PAR, FRAME,
IRDY, TRDY, STOP, DEVSEL,
IDSEL
Hold Time
GNT Setup Time
GNT Hold Time
EESK Frequency
EESK High Time
EESK Low Time
EEDI Valid Output Delay from EESK (Note 2)
EECS Valid Output Delay from
EESK
EECS Low Time
EEDO Setup Time to EESK
EEDO Hold Time from EESK
TCK Frequency
TCK Period
TCK High Time
TCK Low Time
TCK Rise Time
TCK Fall Time
TDI, TMS Setup Time
TDI, TMS Hold Time
TDO Valid Delay
TDO Float Delay
All Outputs (Non-Test) Valid Delay
All Outputs (Non-Test) Float Delay
All Inputs (Non-Test)) Setup Time
All Inputs (Non-Test) Hold Time
Test Condition
(Note 2)
(Note 2)
(Note 2)
(Note 2)
@ 2.0 V
@ 0.8 V
Am79C971
Min
7
0
10
0
780
780
-15
-15
1550
50
0
100
45
45
8
10
3
3
8
7
Max
650
15
15
10
4
4
30
50
25
36
Unit
ns
ns
ns
ns
kHz
ns
ns
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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