MC74LCX374 Motorola, MC74LCX374 Datasheet - Page 5

• Manufacturer Part Number: MC74LCX374
• Description: LOW-VOLTAGE CMOS OCTAL D-TYPE FLIP-FLOP
• Manufacturer: Motorola

LCX DATA
BR1339 — REV 3
Dn
CP
On
WAVEFORM 1 – PROPAGATION DELAYS, SETUP AND HOLD TIMES
t s
t R = t F = 2.5ns, 10% to 90%; f = 1MHz; t W = 500ns
GENERATOR
1.5V
PULSE
t PLH , t PHL
1.5V
t h
f max
CP
CP
t PLH , t PHL
t PZL , t PLZ
Open Collector/Drain t PLH and t PHL
t PZH , t PHZ
C L = 50pF or equivalent (Includes jig and probe capacitance)
R L = R 1 = 500 or equivalent
R T = Z OUT of pulse generator (typically 50 )
t R = t F = 2.5ns (or fast as required) from 10% to 90%;
1.5V
Output requirements: V OL 0.8V, V OH 2.0V
Figure 1. AC Waveforms
1.5V
1.5V
WAVEFORM 3 – PULSE WIDTH
R T
Figure 2. Test Circuit
2.7V
0V
2.7V
0V
V OH
V OL
TEST
V CC
DUT
OE
On
On
5
t w
t w
t PZH
t PZL
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
t R = t F = 2.5ns, 10% to 90%; f = 1MHz; t W = 500ns
1.5V
C L
SWITCH
1.5V
1.5V
1.5V
1.5V
Open
GND
6V
6V
R L
R 1
t PHZ
t PLZ
2.7V
0V
2.7V
0V
1.5V
6V
OPEN
GND
MC74LCX374
MOTOROLA
V OL + 0.3V
GND
2.7V
0V
V CC
V OH – 0.3V
3.0V
0V