zl30102 Zarlink Semiconductor, zl30102 Datasheet - Page 34

• Manufacturer Part Number: zl30102
• Description: T1/e1 Stratum 4/4e Redundant System Clock Synchronizer For Ds1/e1 And H.110
• Manufacturer: Zarlink Semiconductor

ZL30102
Data Sheet
6.4
Reset Circuit
A simple power up reset circuit with about a 60 µs reset low time is shown in Figure 21. Resistor R
is for protection
P
only and limits current into the RST pin during power down conditions. The reset low time is not critical but should
be greater than 300 ns.
ZL30102
+3.3 V
R
10 kΩ
RST
C
10 nF
R
P
1 kΩ
Figure 21 - Power-Up Reset Circuit
34
Zarlink Semiconductor Inc.