ICS251

FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER

EPROM CLOCK SYNTHESIZER

IDT™ / ICS™ FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER 5

ICS251

REV B 061306

DC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85

°C

Note 1: Example with 25 MHz crystal input with output of 33.3 MHz, no load, and VDD = 3.3 V.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Voltage

VDD

3.15

3.3

3.45

V

Operating Supply Current

Input High Voltage

IDD

Configuration Dependent

mA

33.3333 MHz output,

PDTS = 1, no load

Note 1

14

mA

PDTS = 0

500

µA

Input High Voltage

S1:S0

VDD/2+1

V

Input Low Voltage

S1:S0

0.4

V

Input High Voltage, PDTS

VDD-0.5

V

Input Low Voltage, PDTS

0.4

V

Input High Voltage

ICLK

VDD/2+1

V

Input Low Voltage

ICLK

VDD/2-1

V

Output High Voltage

(CMOS High)

VDD-0.4

V

Output High Voltage

2.4

VDD-0.4

V

Output Low Voltage

0.4

V

Short Circuit Current

±70

mA

Nominal Output

Impedance

20

Ω

Internal pull-up resistor

S1:S0, PDTS

190

k

Ω

Internal pull-down resistor

CLK output

120

k

Ω

Input Capacitance

inputs

4

pF