AM79C940JC/W AMD [Advanced Micro Devices], AM79C940JC/W Datasheet - Page 96

• Manufacturer Part Number: AM79C940JC/W
• Manufacturer: AMD [Advanced Micro Devices]

AC CHARACTERISTICS (continued)
Note:
1. Not tested but data available upon request.
96
No.
IEEE 1149.1 Timing
10BASE–T Transmit Timing
10BASE–T Receive Timing
109
125
126
127
128
129
130
131
132
133
134
135
136
140
141
142
143
144
110
111
112
113
114
115
Parameter
t
Symbol
t
t
t
PWROFF
t
t
t
RCVOFF
XMTOFF
t
PWNRD
RCVON
XMTON
t
PWPLP
t
PERLP
t
t
t
PWLP
TETD
JREC
RETD
TCLK
t
t
t
t
t
t
t
t
t
t
t
su1
su2
hd1
hd2
TM
TR
TF
JR
d1
d2
JA
TCK Period, 50% duty cycle (+5%)
TMS setup to TCK
TDI setup to TCK
TMS hold time from TCK
TDI hold time from TCK
TCK delay to TDO
TCK delay to SYSTEM OUTPUT
Transmit Start of Idle
Transmitter Rise Time
Transmitter Fall Time
Transmitter Rise and Fall Time Mismatch
XMT# Asserted Delay
XMT# De-asserted Delay
Idle Signal Period
Idle Link Pulse Width
Predistortion Idle Link Pulse Width
Transmit Jabber Activation Time
Transmit Jabber Reset Time
Transmit Jabber Recovery Time (Minimum
Time Gap Between Transmitted Packets to
Prevent Jabber Activation)
RXD Pulse Width Not to Turn Off Internal
Carrier Sense
RXD Pulse Width to Turn Off VIN> VTHS
(min)
Receive Start of Idle
RCV# Asserted Delay
RCV# De-asserted Delay
Parameter Description
(10% to 90%)
(90% to 10%)
(Note 1)
(Note 1)
VIN > VTHS
(min)
Test Conditions
t
RON
TBD
TBD
Min
100
Min
250
250
136
200
200
1.0
10
75
45
20
8
5
5
8
– 50
t
RON
– 100
TBD
TBD
Max
Max
100
120
150
750
350
5.5
5.5
30
35
24
55
1
–