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