0 v tai interface ac characteristics – AMD Am79C930 User Manual
Page 142
AMD
P R E L I M I N A R Y
142
Am79C930
5.0 V TAI INTERFACE AC CHARACTERISTICS
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
Unit
T
CLKIN
CLKIN Period
MIR9[7]=1
25
ns
T
CLIN
CLKIN Low time
MIR9[7]=1
5
ns
T
CHIN
CLKIN High time
MIR9[7]=1
5
ns
T
CLKIN
CLKIN Period
MIR9[7]=0
50
T
CLIN
CLKIN Low time
MIR9[7]=0
22
T
CHIN
CLKIN High time
MIR9[7]=0
22
T
INHL
CLKIN Fall time
Note 8
3
ns
T
INLH
CLKIN Rise time
Note 8
3
ns
T
RXC
RXC Period
Note 5
500
ns
T
CLRX
RXC Low time
Note 5
240
ns
T
CHRX
RXC High time
Note 5
240
ns
T
RXHL
RXC Fall time
Note 8
10
ns
T
RXLH
RXC Rise time
Note 8
10
ns
T
TXC
TXC Period
Notes 1, 5, 7
500
ns
T
CLTX
TXC Low time
Notes 1, 5, 7
245
ns
T
CHTX
TXC High time
Notes 1, 5, 7
245
ns
T
TXHL
TXC Fall time
Notes 1, 8
5
ns
T
TXLH
TXC Rise time
Notes 1, 8
5
ns
T
TXCO
TXC Period
Notes 2, 7
500
ns
T
CLTXO
TXC Low time
Notes 2, 7
285
ns
T
CHTXO
TXC High time
Notes 2, 7
185
ns
T
TXHLO
TXC Fall time
Notes 2, 8
15
ns
T
TXLHO
TXC Rise time
Notes 2, 8
15
ns
t
RXDS
RXD setup time to RXC
↑
Note 6
110
ns
t
RXDH
RXD hold time from RXC
↑
Note 6
10
ns
t
TXDD
TXD delay from TXC
↓
Notes 1, 3
10
200
ns
t
TXDS
TXD setup time to TXC
↑
Notes 2, 4
T
CLTX
-165
ns
t
TXDH
TXD hold time from TXC
↑
Notes 2, 4
T
CHTX
ns
t
TXDV
TXD delay from TXC
↓
Notes 2, 3
0
150
ns