Copyright 2002 The Connor-Winfield Corp. All Rights Reserved
參數(shù)資料
型號(hào): SCG2500-77.76M
廠商: Connor-Winfield
文件頁(yè)數(shù): 3/10頁(yè)
文件大小: 0K
描述: IC OSC CLK GEN 77.76MHZ OUT SMD
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: 時(shí)鐘發(fā)生器
PLL:
輸入: 時(shí)鐘
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 3:1
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 77.76MHz
除法器/乘法器: 是/無(wú)
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 14-SMD 模塊
包裝: 管件
其它名稱(chēng): CW640
SCG2500 77.76M
SCG250077.76M
Preliminary Data Sheet #: SG027
Page 2 of 10
Rev: 02
Date: 03/15/02
Copyright 2002 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
Operating Specifications
Table 2
Parameter
Specifications
Notes
Voltage
3.3V ±5%
1.0
Current
150 mA @ 3.46V
Oscillator Output Frequencies
1.544, 2.048, 19.44, 20.48, 44.736, 51.84, and 77.76 MHz
Temperature Range
0 to 70°C
Input Frequency Ref 1 and Ref 2
8 kHz
2.0
Input Jitter Tolerance
≥ 31.25us Typical
(Jitter Frequencies > 10 Hz)
Jitter Bandwidth
< 10 Hz
Acquisition Time
Approximately 1 second
3.0
Capture/Pull-In Range
± 25 ppm Minimum
Output Duty Cycle
40/60 % Min/Max @ 50% Level
Output Rise and Fall Time
3 nS @ 20% to 80% output level
Output Load
30 pF
Alarm
LOR/LOL Status Signal Output
Free Run Accuracy
±20 ppm
Package
Fr4 SM 0.78” x 0.83” x 0.350” (Maximum)
MTIE @ Synchronization Rearrangement
GR-253-CORE, 1999 R5-136
4.0, 4.1
Absolute Maximum Rating
Table 1
Symbol
Parameter
Minimum
Nominal
Maximum
Units
Notes
V
CC
Power Supply Voltage
-0.5
-
+4.0
Volts
V
I
Input Voltage
-0.5
-
+5.5
Volts
T
S
Storage Temperature
-65.0
-
+150.0
°C
Input and Output Characteristics
Table 3
Symbol
Parameter
Minimum
Nominal
Maximum
Units
Notes
V
IH
High level input voltage
2.0
-
5.5
V
IL
Low level input voltage
0
-
0.8
V
T
IO
I/O to output valid
-
10
nS
C
OUT
Output capacitance
-
10
pF
V
HO
High level output voltage loh = -4mA
2.40
-
Vcc Min
V
IO
Low Level output voltage lo1 = 8mA
-
0.4
-
Vcc Max
T
IR
Input reference signal pulse width
30
-
nS
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