am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 124

• Manufacturer Part Number: am79c961
• Description: Pcnettm-isa Jumperless Single-chip Ethernet Controller For Isa
• Manufacturer: Advanced Micro Devices

SWITCHING CHARACTERISTICS: 10BASE-T INTERFACE
SWITCHING CHARACTERISTICS: SERIAL EEPROM
1-598
Parameter
Transmit Timing
Receive Timing
Note:
1. Not tested; parameter guaranteed by characterization.
Parameter
t
Symbol
Symbol
t
PWROFF
t
t
PWNRD
t
PWPLP
t
PERLP
PWLP
TETD
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SR1
SR2
SR3
SR4
SR5
SR6
SR7
SL1
SL2
SL3
TM
TR
TF
JR
JA
AMD
Transmit Start of Idle
Transmitter Rise Time
Transmitter Fall Time
Transmitter Rise and Fall
Time Mismatch
Idle Signal Period
Idle Link Pulse Width
Predistortion Idle Link Pulse
Width
Transmit Jabber Activation Time
Transmit Jabber Reset Time
RXD Pulse Width Not to Turn
Off Internal Carrier Sense
RXD Pulse Width to Turn Off
EESK High Time
EESK Low Time
From
EECS Low Time
EEDO Setup to
EEDO Hold From
EEDO Setup to
EEDO Setup to
EESK, EEDI, EECS and
SHFBUSY Delay From
EECS EEDI From
EECS, EEDI and SHFBUSY
Parameter Description
Parameter Description
EESK
EESK
IOCHRDY
IOR
EESK
EESK
IOW
(10% to 90%)
(90% to 10%)
(Note 1)
(Note 1)
VIN > VTHS (min)
VIN > VTHS (min)
P R E L I M I N A R Y
Test Conditions
Test Conditions
Am79C961
1590
Min
Min
250
250
136
790
790
140
160
-15
-15
75
45
20
35
95
8
0
Max
Max
350
120
150
750
200
235
5.5
5.5
24
55
15
15
2
–
Unit
Unit
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns