MC12026A MC12026B

MOTOROLA

HIPERCOMM

BR1334 — Rev 4

2

ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5; TA = –40 to +85°C)

Symbol

Characteristic

Min

Typ

Max

Unit

ft

Toggle Frequency (Sin Wave)

0.1

1.4

1.1

GHz

ICC

Supply Current Output Unloaded (Pin 2)

—

4.0

5.3

mA

VIH1

Modulus Control Input High (MC)

2.0

—

VCC

V

VIL1

Modulus Control Input Low (MC)

GND

—

0.8

V

VIH2

Divide Ratio Control Input High (SW)

VCC – 0.5V

VCC

VCC + 0.5V

V

VIL2

Divide Ratio Control Input Low (SW)

OPEN

OPEN

OPEN

—

Vout

Output Voltage Swing

(RL = 560Ω; IO = 5.5mA)1

(RL = 1.1kΩ; IO = 2.9mA)2

1.0

1.6

—

Vp–p

tSET

Modulus Setup Time MC to Out3

—

6

9

ns

Vin

Input Voltage Sensitivity

100–250MHz

250–1100MHz

400

100

—

—

1000

1000

mVpp

1. Divide Ratio of

÷8/9 at 1.1GHz, CL = 8pF

2. Divide Ratio of

÷16/17 at 1.1GHz, CL = 8pF

3. Assuming RL = 560Ω at 1.1GHz

DQ

CQB

DQ

CQB

DQ

C

QB

M

In

In

MC

D

C

QB

Q

D

C

QB

Q

Out

Figure 1. Logic Diagram (MC12026A)

1

0

SW

Figure 2. Modulus Setup Time

Modulus setup time MC to out is the MC

setup or MC release plus the prop delay.

Prop. Delay

In

Out

MC

MC Setup

MC Release