8T33FS6221 datasheet(2/23 Pages) RENESAS

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8T33FS6221 DATASHEET

LOW VOLTAGE 1:20 DIFFERENTIAL PECL/HSTL CLOCK

FANOUT BUFFER

R31DS0008EU0110 Rev.1.1 Apr 8, 2021

Pin Description

Table 1. Pin Description Table

Number

Name

Type

Description

VCC

Power

Power supply. All VCC pins must be connected to the positive power

supply for correct DC and AC operation.

VCC

Power

Power supply. All VCC pins must be connected to the positive power

supply for correct DC and AC operation.

CLK_SEL

Input

Pull-down

Clock reference select input.

CLK0

Input

Pull-down

Differential reference clock signal input.

nCLK0

Input

Pull-up/

Pull-down

Differential reference clock signal input.

VBB

Output

Reference voltage output for single ended PECL operation.

CLK1

Input

Pull-down

Differential reference clock signal input.

nCLK1

Input

Pull-up/

Pull-down

Differential reference clock signal input.

VEE1

Power

Negative power supply.

nQ19

Output

PECL

Differential clock output.

Q19

Output

PECL

Differential clock output.

nQ18

Output

PECL

Differential clock output.

Q18

Output

PECL

Differential clock output.

VCC

Power

Power supply. All VCC pins must be connected to the positive power

supply for correct DC and AC operation.

nQ17

Output

PECL

Differential clock output.

Q17

Output

PECL

Differential clock output.

nQ16

Output

PECL

Differential clock output.

Q16

Output

PECL

Differential clock output.

nQ15

Output

PECL

Differential clock output.

Q15

Output

PECL

Differential clock output.

nQ14

Output

PECL

Differential clock output.

Q14

Output

PECL

Differential clock output.

nQ13

Output

PECL

Differential clock output.

Q13

Output

PECL

Differential clock output.

nQ12

Output

PECL

Differential clock output.

Q12

Output

PECL

Differential clock output.

VCC

Power

Power supply. All VCC pins must be connected to the positive power

supply for correct DC and AC operation.

nQ11

Output

PECL

Differential clock output.

Q11

Output

PECL

Differential clock output.

nQ10

Output

PECL

Differential clock output.

Q10

Output

PECL

Differential clock output.

nQ9

Output

PECL

Differential clock output.

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