Silicon Oscillator with Low-Power

Frequency Switching

_______________________________________________________________________________________

5

CHANNEL 1 = CLOCK, CHANNEL 2 = SPEED

40ns/div

HIGH-SPEED TO LOW-SPEED

TRANSITION (DETAIL ZOOM)

MAX7383 toc13

CHANNEL 1 = CLOCK, CHANNEL 2 = SPEED

10

µs/div

LOW-SPEED TO HIGH-SPEED

TRANSITION

MAX7383 toc14

CHANNEL 1 = CLOCK, CHANNEL 2 = SPEED

100ns/div

LOW-SPEED TO HIGH-SPEED

TRANSITION (DETAIL ZOOM)

MAX7383 toc15

Typical Operating Characteristics (continued)

Pin Description

PIN

NAME

FUNCTION

1

CLOCK

Push-Pull Clock Output

2

GND

Ground

3

SPEED

Clock Speed Select Input. Drive SPEED low to select the 32kHz fixed frequency. Drive SPEED high to

select the factory-trimmed frequency.

5

E.C.

Externally Connected. Connect to Vcc.