AMD
SWITCHING CHARACTERISTICS over operating range unless otherwise specified
(Note 20) (for CPL Products Group A, Subgroups 9, 10, and 11 are tested unless other-
wise noted)
Am7968-125 Military TAXIchip Transmitter (Notes 10, 13, 22)
Parameter
No.
Symbol
Parameter Description
Test Conditions
Min
Max
Units
Bus Interface Signals: DI0–DI7, DI8/CI3, DI9/CI2, CI0–CI1, STRB, ACK, CLK
1
2
3
4
5
6
tP
CLK Period
8 n
25
25
20
20
25 n
ns
ns
ns
ns
ns
ns
tPW
tPW
tPW
tPW
tBB
CLK Pulse Width HIGH
CLK Pulse Width LOW
STRB Pulse Width HIGH (Note 7)
STRB Pulse Width LOW
Internal Byte Boundary to CLK↓
(Note 11)
25
–9t1
+3
8n
9
tS
Data–STRB Setup Time
Data–STRB Hold Time
ACK↑ to STRB↓ Hold (Note 8)
ACK↓ to STRB↑ Hold
STRB↑ to ACK↑ (Note 18)
STRB↓ to ACK↓
10
ns
ns
ns
ns
ns
ns
ns
10
11
12
13
14
15
tH
15
0
tH
TTL Output Load
TTL Output Load
TTL Output Load
TTL Output Load
TTL Output Load
tH
0
tPD
tPD
tPD
45
25
CLK↓ to ACK↑ (Note 18)
3t1
+ 43
n
Miscellaneous Signals: X1 (Note 15)
29
30
32
33
tPW
tPW
tPD
tPD
X1 Pulse Width HIGH (Note 12)
X1 Pulse Width LOW (Note 12)
X1↑ to CLK↑
TTL Output Load on CLK
TTL Output Load on CLK
TTL Load
35
35
ns
ns
ns
ns
32
32
X1↓ to CLK↓
TTL Load
36
Am7968/Am7969-125 Military
AMD [ AMD ]
