R31DS0038EU0204 Rev.2.04

Page 6

Aug 14, 2026

551S Datasheet

2.4.2

AC Electrical Characteristics

VDD = 3.3V ±5%, Ambient temperature -40° to +105°C, unless stated otherwise

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Operating Voltage

VDD

3.135

-

3.465

V

Input High Voltage, ICLK

VIH

[1]

1. Nominal switching threshold is VDD/2.

0.7xVDD

-

3.465

V

Input Low Voltage, ICLK

VIL

[1]

-

-

0.3xVDD

V

Input High Voltage, OE

VIH

0.7xVDD

-

VDD

V

Input Low Voltage, OE

VIL

-

-

0.3xVDD

V

Output High Voltage

VOH

IOH = -25mA

2.2

-

-

V

Output Low Voltage

VOL

IOL = 25mA

-

-

0.7

V

Operating Supply Current

IDD

No load, 135MHz

-

22

-

mA

Nominal Output Impedance

ZO

-

17

-

Ω

Input Capacitance

CIN

OE pin

-

5

-

pF

VDD = 1.8V ±5%, Ambient temperature -40° to +105°C, unless stated otherwise

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Output Frequency

5pF load [1]

1. With external series resistor of 33

Ω positioned close to each output pin.

-

-

200

MHz

Output Clock Rise Time

tOR

0.36 to 1.44V

-

0.6

1.0

ns

Output Clock Fall Time

tOF

1.44 to 0.36V

-

0.6

1.0

ns

Propagation Delay

135MHz [2]

2. With rail to rail input clock.

1.5

2

4

ns

Buffer Additive Phase Jitter, RMS

125MHz, Integration range:

12kHz–20MHz

-

0.03

0.05

ps

Output to Output Skew

Rising edges at VDD/2 [3]

3. Between any 2 outputs with equal loading.

-

50

65

ps

Start-up Time

tSTART-UP

Part start-up time for valid

outputs after VDD ramp-up

-

-

2

ms

Output Enable Time

tEN

CL < 5pF

-

-

3

cycles

Output Disable Time

tDIS

CL < 5pF

-

-

3

cycles