SC9256S Ver la hoja de datos (PDF) - Silan Microelectronics

Número de pieza

componentes Descripción

Fabricante

SC9256S

PLL FOR DTS

Silan Microelectronics 

Silan

Semiconductors

SC9256

(Continued)

Pin No. Symbol

Pin name

Description

Circuit diagram

3

PERIOD Period signal input Serial I/O ports. These pins transfer VDD

4

CLOCK Clock signal input data to and from the controller to set

Serial data

5

DATA

input/output

divisions and dividing modes, and to

control the general-purpose counter

and general-purpose I/O ports.

Schmitt

input

DATA

Schmitt input

CLOCK,PERIOD

6

OT-1

N channel open drain port pins, for

7

OT-2 General-purpose such uses as control signal output.

8

output ports

OT-3

These pins are set to the OFF state

N-channel open drain

when power is turned on.

10

AMIN

These pins input FM and AM band

VDD

Programmable local oscillator signals by capacitor

11

FMIN counter input

coupling. FMIN and AMIN operate at

low amplitude.

General-purpose I/O port input

/output pins. Can be switched for use

as input pins to measure general

13

I/O-

General-purpose purpose counter frequencies. The VDD

6/IFIN2

frequency measurement function has

I/O ports/General-

such uses as measuring inter-

purpose counter

mediate frequencies (IF).

frequency

measurement

These pins feature built-in amps.

input

Data are input by capacitor coupling.

FMIN and AMIN operate at low

I/O-5

14

amplitude.

/IFIN1

(note) Pins are set for input when

power is turned on.

15

DO1 Phase comparator

VDD

These pins are for phase comparator

output (General-

tri-state output. DO1 and DO2 are

16 DO2/OT-4 purpose output

output in parallel.

ports)

12

GND

Power supply pins Applies 5.0V±10%

9

VDD

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

REV: 1.0

5

2002.01.30.

Share Link: