ZL30101QDC ZARLINK [Zarlink Semiconductor Inc], ZL30101QDC Datasheet - Page 25

• Manufacturer Part Number: ZL30101QDC
• Description: T1/E1 Stratum 3 System Synchronizer
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

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 14. 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 14 - Power-Up Reset Circuit
25
Zarlink Semiconductor Inc.