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HD74HC688P Datasheet(PDF) 5 Page - Renesas Technology Corp

Part # HD74HC688P
Description  8-bit Magnitude Comparator
PDF  8 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD74HC688P Datasheet(HTML) 5 Page - Renesas Technology Corp

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HD74HC688
Rev.2.00, Mar 30, 2006 page 5 of 7
Test Circuit
VCC
C =
50 pF
VCC
L
Output
Q7
P=Q
G
P1
P7
Q0
Note : 1. CL includes probe and jig capacitance.
Zout = 50
Ω
Input
Pulse Generator
Waveforms
P or Q
0 V
VCC
tf
50%
tr
P=Q
VOL
VOH
G
0 V
VCC
P=Q
VOL
VOH
50%
50%
50%
50%
90%
10%
tTHL
50%
50%
tPLH
50%
tPHL
tPLH
tPHL
• Waveform – 1
Note : 1. Input waveform : PRR
≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns
• Waveform – 2
90%
tTLH
10%
90%
10%
90%
10%
90%
10%
tTHL
90%
tTLH
tw
tf
tr
90%
10%
90%
10%



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