2

Precision Edge™

SY89321L

Micrel

PIN DESCRIPTION

Pin Number

Pin Name

Type

Pin Function

1,6

NC

No connection.

2

IN

100K LVPECL

Differential PECL Input: Internal 75k

Ω pull-down resistor. If left open, pin

Input

defaults LOW. Q output will be LOW. See

“Input Interface Applications”

section for single-ended inputs.

3

/IN

100K LVPECL

Differential PECL Input: Internal 75k

Ω pull-up and pull-down resistors.

Input

open. See

4

VBB

Reference

Voltage Output

ended inputs or AC-coupling to the IN, /IN inputs. Limit sink / source

≤ 0.5mA.

5

GND,

Ground

GND and Exposed pad must be tied to ground plane.

Exposed Pad

7

Q

LVTTL Output

Single-ended LVTTL Output: Defaults to LOW if IN inputs left open.

8

VCC

Positive

Positive Power Supply: Bypass with 0.1

µF//0.01µF low ESR capacitors.

Power Supply

PACKAGE/ORDERING INFORMATION

Ordering Information

Package

Operating

Package

Part Number

Type

Range

Marking

MLF-8

Industrial

321

Note 1.

Tape and Reel.

NC

IN

/IN

LVTTL

VBB

VCC

Q

NC

LVPECL

GND

1

2

3

4

8

7

6

5

8-Pin MLF™

Ultra-Small Outline (2mm x 2mm)