zl50021 Zarlink Semiconductor, zl50021 Datasheet - Page 113

• Manufacturer Part Number: zl50021
• Description: Enhanced 4 K Digital Switch With Stratum 3 Dpll
• Manufacturer: Zarlink Semiconductor

AC Electrical Characteristics
† Characteristics are over recommended operating conditions unless otherwise stated.
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 133.
AC Electrical Characteristics
1
2
3
1
2
3
4
5
6
7
8
9
Input frequency accuracy
Duty cycle
Input rise or fall time
TRST
TCK Clock Period
TCK Clock Pulse Width High
TCK Clock Pulse Width Low
TMS Set-up Time
TMS Hold Time
TDi Input Set-up Time
TDi Input Hold Time
TDo Output Delay
TRST pulse width
TMS
TDi
TCK
TDo
t
TMSS
Characteristic
t
Characteristic
TDIS
†
†
- OSCi 20 MHz Input Timing
- JTAG Test Port Timing
Figure 30 - JTAG Test Port Timing Diagram
t
TDIH
t
TMSH
t
TCKL
Zarlink Semiconductor Inc.
ZL50021
t
TCKH
Sym.
113
t
t
IR,
t
t
TRSTW
t
t
t
Sym.
t
t
t
TCKH
TMSS
TMSH
TDOD
TCKP
TCKL
TDIS
TDIH
t
IF
t
TCKP
Min.
-4.6
t
40
Min.
100
200
TDOD
20
20
10
10
20
60
Typ.
Typ.
Max.
30
Max.
4.6
60
3
t
TRSTW
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Units
ppm
ns
%
Data Sheet
C
L
Notes
= 30 pF
Notes
17
1
‡