MC74LCX652DW ONSEMI [ON Semiconductor], MC74LCX652DW Datasheet - Page 7

• Manufacturer Part Number: MC74LCX652DW
• Description: LOW.VOLTAGE CMOS OCTAL TRANSCEIVER/ REGISTERED TRANSCEIVER WITH DUAL ENABLE
• Manufacturer: ONSEMI [ON Semiconductor]

LCX DATA
BR1339 — REV 3
GENERATOR
PULSE
WAVEFORM 3 – CLOCK to Bn/An PROPAGATION DELAYS, CLOCK MINIMUM PULSE WIDTH,
An, Bn
Bn, An
CAB,
CBA
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 PLH , t PHL
t PZL , t PLZ
Open Collector/Drain t PLH and t PHL
t PZH , t PHZ
NEGATIVE
PULSE
POSITIVE
PULSE
t R = t F = 2.5ns, 10% to 90%; f = 1MHz; t W = 500ns except when noted
t s
1.5V
Figure 5. AC Waveforms (continued)
An/Bn to CLOCK SETUP AND HOLD TIMES
WAVEFORM 4 – INPUT PULSE DEFINITION
t R = t F = 2.5ns, 10% to 90% of 0V to 2.7V
R T
Figure 6. Test Circuit
1.5V
1.5V
TEST
t PLH , t PHL
t h
t w
1.5V
V CC
DUT
1.5V
7
t w
t w
f max
1.5V
C L
SWITCH
Open
GND
1.5V
1.5V
6V
6V
R L
R 1
2.7V
0V
2.7V
0V
V OH
V OL
6V
OPEN
GND
MC74LCX652
MOTOROLA