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HD74ALVCH16374 Datasheet, PDF (7/9 Pages) Hitachi Semiconductor – 16-bit D-type Flip Flops with 3-state Outputs
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HD74ALVCH16374
Waveforms - 2
Input CK
Input D
Output Q
Waveforms - 3
tr
tf
10 %
tr
90 % 90 %
Vref
10 %
tf
90 %
90 %
10 %
tPLH
10 %
Vref
Vref
tPHL
Vref
VIH
GND
VIH
GND
VOH
VOL
Notes:
tf
tr
Input G
90 %
Vref
10 %
Waveform - A
Waveform - B
tZL
Vref
tZH
Vref
90 %
Vref
10 %
tLZ
tHZ
VOL + 0.3 V
VOH – 0.3 V
VIH
GND
≅VOH1
VOL
VOH
≅VOL1
TEST
VIH
Vref
VOH1
VOL1
Vcc=2.5±0.2 V
Vcc = 2.7 V,
3.3±0.3 V
2.3 V
2.7 V
1.2 V
1.5 V
2.3 V
3.0 V
GND
GND
1. tr = 2.5 ns, tf = 2.5 ns
2. Input waveform : PRR = 10 MHz, duty cycle 50%.
3. Waveform–A shows input conditions such that the output is "L" level when enable by the
output control.
4. Waveform–B shows input conditions such that the output is "H" level when enable by the
output control.
Rev.5.00, Jan.20.2005, page 7 of 8
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