ICS84330CM-01 データシートの表示（PDF） - Integrated Circuit Systems

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ICS84330CM-01

700MHZ, LOW JITTER, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

Integrated Circuit Systems 

Integrated

Circuit

Systems, Inc.

PRELIMINARY

ICS84330-01

700MHZ, LOW JITTER, CRYSTAL-TO-3.3V

DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

TABLE 1. PIN DESCRIPTIONS

Name

Type

Description

VCC

V

CCA

VEE

VCCO

nc

Power

Power

Power

Power

Unused

Core supply pins.

Analog supply pin for the PLL.

Negative supply pins.

Output supply pin.

Do not connect.

XTAL1, XTAL2 Input

Crystal oscillator interface. XTAL1 is the input. XTAL2 is the output.

nP_LOAD

S_CLOCK

S_DATA

S_LOAD

M0, M1, M2

M3, M4, M5

M6, M7, M8

N0, N1

TEST

nFOUT, FOUT

Input

Input

Input

Input

Input

Input

Output

Output

Pullup

Pulldown

Pulldown

Pulldown

Parallel load input. Determines when data present at M8:M0 is loaded into

M divider, and when data present at N1:N0 sets the N output divide value.

LVCMOS / LVTTL interface levels.

Clocks the serial data present at S_DATA input into the shift register on the

rising edge of S_CLOCK. LVCMOS / LVTTL interface levels.

Shift register serial input. Data sampled on the rising edge of S_CLOCK.

LVCMOS / LVTTL interface levels.

Controls transition of data from shift register into the M divider.

LVCMOS / LVTTL interface levels.

Pullup

M divider inputs. Data latched on LOW-to-HIGH transition of nP_LOAD input.

LVCMOS / LVTTL interface levels.

Pullup

Determines N output divider value as defined in Table 3C Function Table.

LVCMOS / LVTTL interface levels.

Test output which is used in the serial mode of operation.

LVCMOS / LVTTL interface levels.

Differential output for the synthesizer. 3.3V LVPECL interface levels.

NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.

TABLE 2. PIN CHARACTERISTICS

Symbol

CIN

RPULLUP

RPULLDOWN

Parameter

Input Capacitance

Input Pullup Resistor

Input Pulldown Resistor

Test Conditions

Minimum

Typical

4

51

51

Maximum

Units

pF

KΩ

KΩ

84330CV-01

www.icst.com/products/hiperclocks.html

3

REV. B MARCH 22, 2004

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