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參數(shù)資料
| 型號(hào)： | MC44825D |
| 廠商： | MOTOROLA INC |
| 元件分類： | XO, clock |
| 英文描述： | TV AND VCR PLL TUNING CIRCUITS WITH 1.3 GHz PRESCALER AND I2C BUS |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 1300 MHz, PDSO16 |
| 封裝： | PLASTIC, SO-16 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 158K |
| 代理商： | MC44825D |
MC44824/25
Representative Block Diagram
2
MOTOROLA ANALOG IC DEVICE DATA
This device contains 3,204 active transistors.
Gnd
Test
Logic
Buffers
Latches
P–On
Reset
I2C Bus
Receiver
Latches
Phase
Comp
Ref
Divider
3.2 or 4.0
MHz Osc
Latch Control
Program Divider
15 Bit
Latches B
Latches A
Shift Register
15 Bit
÷
8
Prescaler
Preamp
DTB2
POR
Operational
Amplifier
2.7 V
DTB1
CL
Data
RL
DTF
Fout
TDI
Fout
Fref
T10, T11
T9, T12, T14
T13
T8
4
7
9
(10)
8
(9)
(7)
6
(6)
14
(16)
10
(12)
5.0 V
Fout
Fref
13 (15)
7 (8)
4 (4)
5 (5)
11 (13)
12 (14)
CA
SDA
SCL
HF Input1
HF Input2
VCC
UD
PD
XTAL2
B7
B4
B2
B1
DTS, EN
512/1024
1 (1)
3 (3)
XTAL1
2 (2)
Gnd
(11)
B0
MC44825 Pin Numbers ( )
PIN FUNCTION DESCRIPTION
Pin
Symbol
b l
Description
MC44824
MC44825
1
1
PD
Input of tuning voltage amplifier
2
2
XTAL1
First crystal input is the active pin at the oscillators
3
3
XTAL2
Second crystal input is the internal ground
4
4
SDA
Data input
Clock input of the I2C bus
5
5
SCL
6, 8, 9
–
B7, B2, B1
B7, B4, B2, B1, B0
CA
Band buffer (open collector) outputs for up to 10 mA
–
6, 7, 9, 10, 11
Band buffer (open collector) outputs for up to 10 mA
7
8
Chip address selection pin
10
12
VCC
HF1/HF2
Supply voltage, typical 5.0 V
11, 12
13, 14
Symmetric HF inputs from local oscillator
13
15
GND
Ground
14
16
UD
Output of the tuning voltage amplifier. Needs an external NPN with pull–up
resistor to drive the varicaps
相關(guān)PDF資料 |
PDF描述 |
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| MC44826D | TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER |
| MC44827BDTB | LOW-POWER PLL TUNING CIRCUIT |
| MC44827 | LOW-POWER PLL TUNING CIRCUIT |
| MC44827DTB | LOW-POWER PLL TUNING CIRCUIT |
| MC44829D | TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC44826D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER |
| MC44827 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW-POWER PLL TUNING CIRCUIT |
| MC44827BDTB | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW-POWER PLL TUNING CIRCUIT |
| MC44827DTB | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: |
| MC44829 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER |
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