參數(shù)資料
型號： ZL30108LDA
廠商： XILINX INC
元件分類： 數(shù)字傳輸電路
英文描述： ATM/SONET/SDH SUPPORT CIRCUIT, QCC32
封裝： 5 X 5 MM, MO-220, QFN-32
文件頁數(shù)： 27/57頁
文件大?。?/td> 691K
代理商： ZL30108LDA
ZL30108
Data Sheet
6
Zarlink Semiconductor Inc.
3.0
Pin Description
Pin #
Name
Description
1GND
Ground. 0V
2VCORE
Positive Supply Voltage. +1.8 VDC nominal
3LOCK
Lock Indicator (Output). This output goes to a logic high when the PLL is frequency
locked to the selected input reference.
4
REF_FAIL0
Reference 0 Failure Indicator (Output). A logic high at this pin indicates that the REF0
reference frequency has exceeded the out-of-range limit set by the OOR_SEL pin or that
it is exhibiting abrupt phase or frequency changes.
5
REF_FAIL1
Reference 1 Failure Indicator (Output). A logic high at this pin indicates that the REF1
reference frequency has exceeded the out-of-range limit set by the OOR_SEL pin or that
it is exhibiting abrupt phase or frequency changes.
6VCORE
Positive Supply Voltage. +1.8 VDC nominal.
7AVCORE
Positive Analog Supply Voltage. +1.8 VDC nominal.
8GND
Ground. 0V
9
MODE_SEL
Mode Select (Input). This input determines the mode of operation: See Table 3.
0: Normal mode (device locked to input reference)
1: Freerun mode
10
RST
Reset (Input). A logic low at this input resets the device. On power up, the RST pin must
be held low for a minimum of 300 ns after the power supply pins have reached the
minimum supply voltage. When the RST pin goes high, the device will transition into a
Reset state for 3 ms. In the Reset state all clock and frame pulse outputs will be forced
into high impedance.
11
OSCo
Oscillator Master Clock (Output). For crystal operation, a 20 MHz crystal is connected
from this pin to OSCi. This output is not suitable for driving other devices. For clock
oscillator operation, this pin must be left unconnected.
12
OSCi
Oscillator Master Clock (Input). For crystal operation, a 20 MHz crystal is connected
from this pin to OSCo. For clock oscillator operation, this pin must be connected to a
clock source.
13
IC
Internal Connection. Connect this pin to VDD.
14
VDD
Positive Supply Voltage. +3.3 VDC nominal
15
AVDD
Positive Analog Supply Voltage. +3.3 VDC nominal
16
GND
Ground. 0V
17
AGND
Analog Ground. 0V
18
AVCORE
Positive Analog Supply Voltage. +1.8 VDC nominal
19
AVDD
Positive Analog Supply Voltage. +3.3 VDC nominal
20
F2ko
Multi Frame Pulse (Output). This is a CMOS 2 kHz active high 51 ns framing pulse,
which marks the beginning of a multi frame.
This clock output pad includes a Schmitt triggered input which serves as a PLL feedback
path; proper transmission-line termination should be applied to maintain reflections below
Schmitt trigger levels.
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