Z16C30_08 Datasheet, PDF (41/102 Pages) Zilog, Inc. – CMOS USC Universal Serial Controller

Z16C30
Product Specification
37
AC Characteristics
Table 6 lists Z16C30 General Timing.
Table 6. Z16C30 General Timing
No Symbol
Parameter
Min
1
TsRxD(RxCr) RxD to RxC Rise Setup Time (x1 Mode) 0
2
ThRxD(RxCr) RxD to RxC Rise Hold Time (x1 Mode)
40
3
TsRxd(RxCf) RxD to RxC Fall Setup Time (x1 Mode) 0
4
ThRxD(RxCf) RxD to RxC Fall Hold Time (x1 Mode)
40
5
TsSy(RxC) DCD as SYNC to RxC Rise Setup Time 0
6
ThSy(RxC) DCD as SYNC to RxC Rise Hold Time (x1 40
Mode)
7
TdTxCf(TxD) TxC Fall to TxD Delay
8
TdTxCr(TxD) TxC Rise to TxD Delay
9
TwRxCh
RxC High Width
40
11 TcRxC
RxC Cycle Time
100
12 TwTxCh
TxC High Width
40
13 TwTxCl
TxC Low Width
40
14 TcTxC
TxC Cycle Time
100
15 TwExT
DCD or CTS Pulse Width
70
16 TWSY
DCD as SYNC Input Pulse Width
70
17 TwCLKh
CLK High Width
20
18 TwCLKI
CLK High Width
20
19 TcCLK
CLK Cycle Time
50
Notes
1. RxC is RxC or TxC, whichever is supplying the receive clock.
2. TxC is TxC or RxC, whichever is supplying the transmit clock.
3. Parameter applies only to FM encoding/decoding.
4. CLK is RxC or TxC, when supplying DPLL, BRG, or CTR clock.
Max Units Notes
ns
1
ns
1
ns
1,3
ns
1,3
ns
1
ns
1
50
ns
2
50
ns
2,3
ns
1
ns
1
ns
2
ns
2
ns
2
ns
ns
ns
4
ns
4
ns
4
DS007902-0708
PRELIMINARY
Electrical Characteristics