SY58012U datasheet(2/9 Pages) MICREL

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Precision Edge™

SY58012U

Micrel

PACKAGE/ORDERING INFORMATION

Ordering Information(Note 1)

Package

Operating

Package

Part Number

Type

Range

Marking

SY58012UMI

MLF-16

Industrial

012U

SY58012UMITR(Note 2)

MLF-16

Industrial

012U

Note 1.

Contact factory for die availability. Die are guaranteed at TA =

°C, DC electricals only.

Note 2.

Tape and Reel.

Pin Number

Pin Name

Pin Function

1, 4

IN, /IN

Differential Input: This input pair is the signal to be buffered. Each pin of this pair internally

terminates with 50

Ω to the V

T pin. Note that this input will default to an indeterminate state

if left open. See

“Input Interface Applications” section.

Input Termination Center-Tap: Each input terminates to this pin. The VT pin provides a

center-tap for each input (IN, /IN) to a termination network for maximum interface flexibility.

See

“Input Interface Applications” section.

VREF-AC

Reference Output Voltage: This output biases to VCC –1.4V. It is used when AC-coupling

the inputs (IN, /IN). Connect V

REF-AC directly to the VT pin. Bypass with 0.01µF low ESR

capacitor to VCC. Maximum current source or sink is 0.5mA. See “Input Interface

Applications” section.

5, 8, 13, 16

VCC

Positive Power Supply: Bypass with 0.1

µF//0.01µF low ESR capacitors as close to the

VCC pins as possible.

6, 7, 14, 15

GND,

Ground. Exposed pad must be connected to a ground plane that is the same potential

Exposed Pad

as the ground pin.

12, 11

Q0, /Q0,

LVPECL Differential Output Pairs: Differential buffered output copy of the input signal. The

9, 10

Q1, /Q1

output swing is typically 800mV. Unused output pairs may be left floating with no impact on

jitter. See “

LVPECL Output Termination” section.

PIN DESCRIPTION

16 15 14 13

5678

VREF-AC

/IN

/Q0

/Q1

16-Pin MLF™

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