RD74LVC16245BTEL(2005) 데이터 시트보기 (PDF) - Renesas Electronics

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RD74LVC16245BTEL
(Rev.:2005)

16-bit Bus Transceivers with 3-state Outputs

Renesas Electronics 

RD74LVC16245B

Test Circuit

VCC

Input

Pulse

Generator

Zout = 50 Ω

VCC

1G, 2G

1DIR, 2DIR

1A1 to 1A8 S1

2A1 to 2A8

1B1 to 1B8

2B1 to 2B8

Output

CL

RL S2

RL

OPEN

VTT

GND

Notes: 1. CL includes probe and jig capacitance.

2. S1: Input-Output change switch.

Symbol

tPLH / t PHL

tZH/ t HZ

tZL / t LZ

S2

OPEN

GND

VTT

Waveforms – 1

Input

Output

10 %

tr

90 %

Vref

tPLH

Vref

tf

90 %

Vref

10 %

tPHL

Vref

Note: 1. Input waveform: PRR = 10 MHz, Zo = 50 Ω, duty cycle 50%.

VIH

GND

VOH

VOL

Rev.1.00 Apr. 18, 2005 page 5 of 7

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