RD74LVC16244BTEL データシートの表示（PDF） - Renesas Electronics

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RD74LVC16244BTEL

16-bit Buffers / Line Drivers with 3-state Outputs

Renesas Electronics 

RD74LVC16244B

Waveforms – 2

Input G

tf

90 %

Vref

10 %

Waveform - A

Waveform - B

tZL

Vref

tZH

Vref

tr

90 %

Vref

10 %

tLZ

tHZ

VOL + ∆ V

VOH – ∆ V

VIH

GND

≈ 1/2VTT

VOL

VOH

≈ GND

INPUTS

VCC (V)

VI

tr/tf

Vref

VTT CL

RL ∆V

VCC = 1.8±0.15 V VCC ≤ 2 ns 1/2 VCC 2× VCC 30 pF 1.0 kΩ 0.15 V

VCC = 2.5±0.2 V VCC ≤ 2 ns 1/2 VCC 2× VCC 30 pF 500 Ω 0.15 V

VCC = 2.7 V

2.7 V ≤ 2.5 ns 1.5 V 6 V 50 pF 500 Ω 0.3 V

VCC = 3.3±0.3 V 2.7 V ≤ 2.5 ns 1.5 V 6 V 50 pF 500 Ω 0.3 V

VCC = 5.0±0.5 V VCC ≤ 2.5 ns 1/2 VCC 2× VCC 50 pF 500 Ω 0.3 V

Notes:

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

2. Waveform – A shows input conditions such that the output is "L" level when enable by the

output control.

3. Waveform – B shows input conditions such that the output is "H" level when enable by the

output control.

Rev.1.00 Mar. 14, 2005 page 7 of 8

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