zl30101 Zarlink Semiconductor, zl30101 Datasheet - Page 26

• Manufacturer Part Number: zl30101
• Description: T1/e1 Stratum 3 System Synchronizer
• Manufacturer: Zarlink Semiconductor

ZL30101
Data Sheet
6.4
Reset Circuit
A simple power up reset circuit with about a 60 µs reset low time is shown in Figure 13. 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.
ZL30101
+3.3 V
R
10 kΩ
RST
C
10 nF
R
P
1 kΩ
Figure 13 - Power-Up Reset Circuit
26
Zarlink Semiconductor Inc.