参数资料
型号: MC145151DW2R2
厂商: Freescale Semiconductor
文件页数: 23/24页
文件大小: 0K
描述: IC PAR-IN PLL FREQ SYNTH 28-SOIC
标准包装: 1,000
类型: PLL 时钟/频率合成器
PLL:
输入: 时钟
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 无/无
频率 - 最大: 25MHz
除法器/乘法器: 是/无
电源电压: 3 V ~ 9 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 带卷 (TR)
其它名称: MC145151DW2TR
MC145151-2 and MC145152-2 Technical Data, Rev. 5
8
Freescale Semiconductor
MC145152-2 Parallel-Input (Interfaces with Dual-Modulus Prescalers)
Figure 6. MC145152-2 Block Diagram
2.2
Pin Descriptions
2.2.1
Input Pins
fin
Frequency Input (Pin 1)
Input to the positive edge triggered
÷ N and ÷ A counters. f
in is typically derived from a dual-modulus
prescaler and is AC coupled into the device. For larger amplitude signals (standard CMOS logic levels)
DC coupling may be used.
RA0, RA1, RA2
Reference Address Inputs (Pins 4, 5, 6)
These three inputs establish a code defining one of eight possible divide values for the total reference
divider. The total reference divide values are as follows:
Reference Address Code
Total
Divide
Value
RA2
RA1
RA0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
8
64
128
256
512
1024
1160
2048
12 x 8 ROM REFERENCE DECODER
φ
V
φ
R
12-BIT
÷ R COUNTER
PHASE
DETECTOR
LOCK
DETECT
LD
fin
OSCin
OSCout
12
N0
N2
N4 N5
N7
N9
NOTE: N0 - N9, A0 - A5, and RA0 - RA2 have pull-up resistors that are not shown.
10-BIT
÷ N COUNTER
CONTROL
LOGIC
MC
6-BIT
÷ A COUNTER
A5
A3 A2
A0
RA2
RA0
RA1
相关PDF资料
PDF描述
MC145151DW2 IC PAR-IN PLL FREQ SYNTH 28-SOIC
CS3108A-40-62S CONN PLUG 60POS RT ANG W/SCKT
CS3102A-20-70P CONN RCPT 17POS BOX MNT W/PINS
CS3108A-40-53S CONN PLUG 60POS RT ANG W/SCKT
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