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AM79C971VCW датащи(PDF) 205 Page - Advanced Micro Devices

номер детали AM79C971VCW
подробное описание детали  PCnet??FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
PDF  265 Pages
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производитель  AMD [Advanced Micro Devices]
домашняя страница  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C971VCW датащи(HTML) 205 Page - Advanced Micro Devices

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Am79C971
205
SWITCHING CHARACTERISTICS: BUS INTERFACE (CONCLUDED)
Note:
Address is the EBUA_EBA[7:0] bus. Data is the EBDA[15:8] and the EBD[7:0] buses.
Parameter
Symbol
Parameter Name
Test Condition
Min
Max
Unit
Expansion Bus Interface Timing
FCLK
EBCLK Frequency
2.5
33
MHz
tCYC
EBCLK Period
@ 1.5 V
30
400
ns
tHIGH
EBCLK High Time
@ 2.0 V
12
ns
tLOW
EBCLK Low Time
@ 0.8 V
12
ns
tFALL
EBCLK Fall Time
over 2 V p-p
1
4
V/ns
tRISE
EBCLK Rise Time
over 2 V p-p
1
4
V/ns
tv_A_D
Address and Data valid time from the
rising edge of EBCLK
13
ns
tCS_L
ERAMCS assert time from the rising
edge of EBCLK
13
ns
tCS_H
ERAMCS deassert time from rising
edge of EBCLK
7
10
ns
ts_D
Data setup time to the rising edge of
EBCLK
0
ns
th_D
Data hold time from the rising edge of
EBCLK
6
ns
t_AS_H
AS_EBOE (Address Strobe) rising
edge from the falling edge of EBCLK
10
13
ns
t_AS_L
AS_EBOE falling edge from the
rising edge of EBCLK
10
13
ns
t_OE_H
AS_EBOE (Output enable deassert)
rising edge from the rising edge of
EBCLK
7
ns
t_LZ
Data Bus driving from the rising edge
of EBCLK
5
ns
t_HZ
Data Bus tristated from the rising
edge of EBCLK
13
ns
t_WE_L
EBWE assert time from the falling
edge of EBCLK
6
ns
t_WE_H
EBWE deassert time from the rising
edge of EBCLK
10
ns
t_WE_CSAD
EBWE setup time to Address,
ERAMCS, and Data
1
ns



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