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AM79C940KC/W bảng dữ liệu(PDF) 96 Page - Advanced Micro Devices

tên linh kiện AM79C940KC/W
Giải thích chi tiết về linh kiện  Media Access Controller for Ethernet (MACE??
PDF  144 Pages
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nhà sản xuất  AMD [Advanced Micro Devices]
Trang chủ  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C940KC/W bảng dữ liệu(HTML) 96 Page - Advanced Micro Devices

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96
AC CHARACTERISTICS (continued)
Note:
1. Not tested but data available upon request.
No.
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
IEEE 1149.1 Timing
109
tTCLK
TCK Period, 50% duty cycle (+5%)
100
110
tsu1
TMS setup to TCK
↑
8
111
tsu2
TDI setup to TCK
↑
5
112
thd1
TMS hold time from TCK
↑
5
113
thd2
TDI hold time from TCK
↑
10
114
td1
TCK
↓ delay to TDO
30
115
td2
TCK
↓ delay to SYSTEM OUTPUT
35
10BASE–T Transmit Timing
Min
Max
125
tTETD
Transmit Start of Idle
250
350
126
tTR
Transmitter Rise Time
(10% to 90%)
5.5
127
tTF
Transmitter Fall Time
(90% to 10%)
5.5
128
tTM
Transmitter Rise and Fall Time Mismatch
1
129
tXMTON
XMT# Asserted Delay
100
130
tXMTOFF
XMT# De-asserted Delay
TBD
TBD
131
tPERLP
Idle Signal Period
8
24
132
tPWLP
Idle Link Pulse Width
(Note 1)
75
120
133
tPWPLP
Predistortion Idle Link Pulse Width
(Note 1)
45
55
134
tJA
Transmit Jabber Activation Time
20
150
135
tJR
Transmit Jabber Reset Time
250
750
136
tJREC
Transmit Jabber Recovery Time (Minimum
Time Gap Between Transmitted Packets to
Prevent Jabber Activation)
1.0
10BASE–T Receive Timing
140
tPWNRD
RXD Pulse Width Not to Turn Off Internal
Carrier Sense
VIN > VTHS
(min)
136
–
141
tPWROFF
RXD Pulse Width to Turn Off VIN> VTHS
(min)
200
142
tRETD
Receive Start of Idle
200
143
tRCVON
RCV# Asserted Delay
tRON – 50
tRON – 100
144
tRCVOFF
RCV# De-asserted Delay
TBD
TBD



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