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MC74LVQ374 Datasheet(PDF) 5 Page - Motorola, Inc

Part No. MC74LVQ374
Description  LOW-VOLTAGE CMOS OCTAL D-TYPE FLIP-FLOP
Download  8 Pages
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC74LVQ374 Datasheet(HTML) 5 Page - Motorola, Inc

   
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MC74LVQ374
LCX DATA
BR1478
5
MOTOROLA
WAVEFORM 3 – PULSE WIDTH
tR = tF = 2.5ns (or fast as required) from 10% to 90%;
Output requirements: VOL ≤ 0.8V, VOH ≥ 2.0V
VCC
0V
VCC
0V
50% VCC
50% VCC
Figure 1. AC Waveforms
tw
50% VCC
50% VCC
tw
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
VCC
0V
≈ 0V
OE
On
tPZH
≈ 3.0V
tPHZ
tPZL
tPLZ
On
50% VCC
50% VCC
50% VCC
VCC
VOH – 0.3V
VOL + 0.3V
GND
50% VCC
CP
CP
WAVEFORM 1 – PROPAGATION DELAYS, SETUP AND HOLD TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
VCC
0V
Dn
CP
50% VCC
On
VCC
0V
VOH
VOL
tPLH, tPHL
th
ts
50% VCC
50% VCC
fmax
50% VCC
OPEN
PULSE
GENERATOR
RT
DUT
VCC
RL
R1
CL
2
• VCC
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
2
• VCC
Open Collector/Drain tPLH and tPHL
2
• VCC
tPZH, tPHZ
Open
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500Ω or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
Figure 2. Test Circuit


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