zl30100 Zarlink Semiconductor, zl30100 Datasheet - Page 25

• Manufacturer Part Number: zl30100
• Description: T1/e1 System Synchronizer
• Manufacturer: Zarlink Semiconductor

ZL30100
Data Sheet
6.4
Reset Circuit
A simple power up reset circuit with about a 60 Ps reset low time is shown in Figure 15. 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.
ZL30100
+3.3 V
R
10 k:
RST
C
10 nF
R
P
1 k:
Figure 15 - Power-Up Reset Circuit
25
Zarlink Semiconductor Inc.