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AM79C978VC/W 数据表(PDF) 223 Page - Advanced Micro Devices

部件名 AM79C978VC/W
功能描述  Single-Chip 1/10 Mbps PCI Home Networking Controller
PDF  261 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM79C978VC/W 数据表(HTML) 223 Page - Advanced Micro Devices

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Am79C978
223
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 EE-
PROM, software is responsible for meeting EEPROM timing requirements.
Parameter
Symbol
Parameter Name
Test Condition
Min
Max
Unit
EEPROM Timing
fEESK
EESK Frequency
(Note 2)
650
kHz
tHIGH (EESK)
EESK High Time
780
ns
tLOW (EESK)
EESK Low Time
780
ns
tVAL (EEDI)
EEDI Valid Output Delay from EESK (Note 2)
-15
15
ns
tVAL (EECS)
EECS Valid Output Delay from EESK (Note 2)
-15
15
ns
tLOW (EECS)
EECS Low Time
1550
ns
tSU (EEDO)
EEDO Setup Time to EESK
(Note 2)
50
ns
tH (EEDO)
EEDO Hold Time from EESK
(Note 2)
0
ns
JTAG (IEEE 1149.1) Test Signal Timing
tJ1
TCK Frequency
10
MHz
tJ2
TCK Period
100
ns
tJ3
TCK High Time
@ 2.0 V
45
ns
tJ4
TCK Low Time
@ 0.8 V
45
ns
tJ5
TCK Rise Time
4
ns
tJ6
TCK Fall Time
4
ns
tJ7
TDI, TMS Setup Time
8
ns
tJ8
TDI, TMS Hold Time
10
ns
tJ9
TDO Valid Delay
3
30
ns
tJ10
TDO Float Delay
50
ns
tJ11
All Outputs (Non-Test) Valid Delay
3
25
ns
tJ12
All Outputs (Non-Test) Float Delay
36
ns
tJ13
All Inputs (Non-Test)) Setup Time
8
ns
tJ14
All Inputs (Non-Test) Hold Time
7
ns



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