am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 121

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

SWITCHING CHARACTERISTICS: EADI
SWITCHING CHARACTERISTICS: JTAG (IEEE 1149.1) INTERFACE
Parameter
Note: External Address Detection interface is invoked by setting bit 3 in ISACSR2 and resetting bit 0 in ISACSR2. External
MAU select is not available when EADISEL bit is set.
Parameter
Note: JTAG logic is reset with an internal Power-On Reset circuit independent of Sleep Modes.
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
EAD1
EAD2
EAD3
EAD4
EAD5
EAD6
JTG1
JTG2
JTG3
JTG4
JTG5
JTG6
JTG7
JTG8
SRD Setup to
SRD Hold to
SF/BD Change to
EAR Deassertion to
SRDCLK (First Rising Edge)
EAR Assertion From SFD
Event (Packet Rejection)
EAR Assertion
TCK HIGH Assertion
TCK Period
TDI Setup to
TDI, TMS Hold From
TMS Setup to
TDO Active From
TDO Change From
TDO Tristate From
Parameter Description
Parameter Description
SRDCLK
TCK
SRDCLK
TCK
TCK
SRDCLK
TCK
TCK
TCK
P R E L I M I N A R Y
Test Conditions
Test Conditions
Am79C961
Min
Min
–15
110
40
40
50
20
50
0
5
5
8
0
0
0
51,090
Max
Max
+15
30
30
25
AMD
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1-595