4

SP8715

Thi

h

t

i

l t

l

id Th

l

Figure 3 Typical Input Characteristics

Ratio

Modulus

Division

Select

Control

Ratio

(Pin 3)

(Pin 6)

L

L

129

L

H

128

HL

65

HH

64

TYPICAL

SENSITIVITY

TYPICAL

OVERLOAD

1000

800

600

400

200

0

200

400

600

800

1000

1200

* Tested as specified in table of Electrical Characteristics

FREQUENCY (MHZ)

GUARANTEED*

OPERATING WINDOW

Table 1 Truth Table

Figure 4 Modulus Control Timing Diagram

RF INPUT

CLOCK

MODULUS

CONTROL

INPUTS

OUTPUT

t s

t h

32 (64)

32 (64) or 33 (65)

DON'T CARE

DON'T CARE