M2020/21 Datasheet Rev 1.0

8 of 10

Revised 30Jul2004

Integrated

Circuit

Systems, Inc.

M2020/21

Prod uct Data Sh eet

DC Characteristics

Unless stated otherwise, V

LVPECL outputs terminated with 50

Ω to V

Symbol Parameter

Min

Typ

Max Unit Conditions

Power Supply V

CC

Positive Supply Voltage

3.135

3.3

3.465

V

I

CC

Power Supply Current

175

225

mA

All

Differential

Inputs

V

P

Peak to Peak Input Voltage

DIF_REF0, nDIF_REF0,

DIF_REF1, nDIF_REF1

0.15

V

V

CMR

Common Mode Input

0.5

C

IN

Input Capacitance

4

pF

Differential

Inputs with

Pull-down

I

IH

DIF_REF0, DIF_REF1

150

µA

V

3.456V

I

IL

µA

50

k

Ω

Differential

Inputs

Biased to

VCC/2

I

IH

nDIF_REF0, nDIF_REF1

150

µA

V

0 to 3.456V

I

IL

µA

Biased to Vcc/2

See Figure 4

k

Ω

All LVCMOS

/ LVTTL

Inputs

V

IH

Input High Voltage

REF_SEL, FIN_SEL1, FIN_SEL0,

MR_SEL1, MR_SEL0, P_SEL2,

P_SEL1, P_SEL0, NBW

2

V

IL

Input Low Voltage

0.8

V

C

IN

Input Capacitance

4

pF

LVCMOS /

LVTTL

Inputs with

Pull-down

I

IH

REF_SEL, FIN_SEL1, FIN_SEL0,

MR_SEL1, MR_SEL0, P_SEL2,

P_SEL1, P_SEL0

150

µA

V

3.456V

I

IL

µA

50

k

Ω

LVCMOS /

LVTTL

Inputs with

Pull-UP

I

IH

NBW

5

µA

V

V

I

IL

µA

Internal Pull-UP Resistance

50

k

Ω

Differential

Outputs

V

OH

Output High Voltage

FOUT0, nFOUT0,

FOUT1, nFOUT1

V

OL

Output Low Voltage

V

P

Note 1: Single-ended measurement. See Figure 6, Output Rise and Fall Time, on pg. 9.

0.4

0.85

V

LVCMOS

Output

V

OH

Output High Voltage

LOL

2.4

V

CC

V

I

V

OL

Output Low Voltage

GND

0.4

V

I

Table 10: DC Characteristics