Z80382 Datasheet, PDF (25/77 Pages) Zilog, Inc. – HIGH-PERFORMANCE DATA COMMUNICATIONS PROCESSORS

Zilog
Z80382/Z8L382
High-Performance Data Communications Processors
HDLC Transmit Timing- Full Time HDLC Mode (See Figure 19)
Specifications apply over Standard Operating Conditions unless otherwise noted. C_L = 50 pF for outputs.
Z80382
Z8L382
1
Symbol
Parameter
Min.
Max.
Min.
Max. Units Notes
t113 External Transmit Clock Period
50
50
ns
1
t114 External Transmit Clock High Time
15
15
ns
t115 External Transmit Clock Low Time
15
15
ns
t116 External Transmit Clock Fall Time
5
10
ns
t117 External Transmit Clock Rise Time
5
10
ns
t118 TxC Low to TxD Data Valid
20
25
ns
TxC
(input)
TxD
t113
t114
t115
t116
t117
t118
Figure 19. HDLC Transmit Timing (Full Time HDLC)
DS97Z382000
PRELIMINARY
25