U74CB3Q3305

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

6 of 7

www.unisonic.com.tw

QW-R502-D261.a



TEST CIRCUIT AND WAVEFORMS

Note: CL includes probe and jig capacitance.

TEST

VCC

S1

RL

VIN

CL

V△

tPD

(tPLH/tPHL)

2.5V±0.2V

Open

500Ω

VCC or GND

30pF

3.3V±0.3V

Open

500Ω

VCC or GND

50pF

ten

(tPZL/tPZH)

2.5V±0.2V

2×VCC

500Ω

GND

30pF

0.15V

3.3V±0.3V

2×VCC

500Ω

GND

50pF

0.3V

tdis

(tPLZ/tPHZ)

2.5V±0.2V

GND

500Ω

VCC

30pF

0.15V

3.3V±0.3V

GND

500Ω

VCC

50pF

0.3V

VM

VM

VM

VM

VIN

0V

VOH

VOL

PROPAGATION DELAY TIMES

VM

VM

VIN

0V

VM

VOL+VΔ

VM

VOH-VΔ

0V

VOH

VLOAD/2

VOL

ENABLE AND DISABLE TIMES

Input

Output

Output

Output

Input

tPLH

tPHL

tPZL

tPLZ

tPZH

tPHZ

Notes: 1. CL includes probe and test-fixture capacitance

2. All input pulses are supplied by generators having the following characteristics: PRR ≤10MHz, ZO= 50Ω,

tr<2.5ns, tf<2.5ns