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©2021 Renesas Electronics Corporation

R31DS0073EU0200 July 30, 2021

831742I Datasheet

Table 1. Pin Descriptions

NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.

Table 2. Pin Characteristics

Number

Name

Type

Description

1, 9, 15

GND

Power

Power supply ground.

2

CLK0

Input

Pulldown

Non-inverting clock/data input.

3

nCLK0

Input

Pulldown/Pullup

Inverting differential clock/data input. VDD/2 default when left floating.

4, 12,

16, 21

VDD

Power

Positive power supply.

5

CLK1

Input

Pulldown

Non-inverting clock/data input.

6

nCLK1

Input

Pulldown/Pullup

Inverting differential clock/data input. VDD/2 default when left floating.

7

CLK2

Input

Pulldown

Non-inverting clock/data input.

8

nCLK2

Input

Pulldown/Pullup

Inverting differential clock/data input. VDD/2 default when left floating.

10

CLK3

Input

Pulldown

Non-inverting clock/data input.

11

nCLK3

Input

Pulldown/Pullup

Inverting differential clock/data input. VDD/2 default when left floating.

13

nOEA

Input

Pullup

Output enable for the QA output. See Table 3A for function.

LVCMOS/LVTTL interface levels.

14

nOEB

Input

Pullup

Output enable for the QB output. See Table 3B for function.

LVCMOS/LVTTL interface levels.

17, 18

QA, nQA

Output

Differential output pair. HCSL interface levels.

19, 20

QB, nQB

Output

Differential output pair. HCSL interface levels.

22, 24

SEL0, SEL1

Input

Pulldown

Differential clock/data Input select. See Table 3C for function.

LVCMOS/LVTTL interface levels.

23

IREF

Input

An external fixed precision resistor (475) from this pin to ground provides a

reference current used for the differential current-mode QX, nQX outputs.

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

CIN

Input Capacitance

4

pF

RPULLUP

Input Pullup Resistor

51

k

RPULLDOWN Input Pulldown Resistor

51

k