SC9257 查看數據表（PDF） - Silan Microelectronics

零件编号

产品描述 (功能)

生产厂家

SC9257

0.3-6.0V PLL for digital tuning systems (DTS)

Silan Microelectronics 

Silan

Semiconductors

SC9257

BLOCK DIAGRAM

FMIN

AMIN

XT

XT

AMP

VDD

FML

1/2

2 MODULUS

PERSCALER

PSC

4bit SWALLOW

COUNTER

POWER ON

RESET

FMH HF

FM

OSC

CIRCUIT

12bit PROGRAMMABLE COUNTER

LF

MODE 4

12

REFERENCE COUNTER

MAX

1ms OSC

15

4

UNLOCK

24bit REGISTER

5

GND

RESET

TRI-STATE

BUFFER

TRI-STATE

BUFFER

OT4

DATA

CLOCK

PERIOD

24bit SHIFT REGISTER

8

ADDRESS

DECODER

TEST

5

24

22

10

24bit REGISTER

4

4

OUTPUT PORT

OT-4

OT-1 OT-3

OT-2 OT-4

20bit BINARY COUNTER

UNIVERSAL COUNTER

CONTROL

XT

1ms

GATE

AMP

AMP

DO1

DO2

I/O-5/CLK

I/O-6

I/O-9/IFIN2

I/O-8/IFIN1

I/O-7/SCIN

ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

Characteristic

Symbol

Supply Voltage

VCC

Input Voltage

VIN

N-ch Open-Drain Off withstanding

Voltage

VOFF

Power Dissipation

PD

Operating Temperature

TOPR

Storage Temperature

TSTG

Value

-0.3~6.0

-0.3~VDD+0.3

13

300(200)

-40~85

-65~150

Unit

V

V

V

mW

°C

°C

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

REV: 1.0

2

2001.10.18

Share Link: