|
MC74LVQ573 Datasheet, PDF (5/8 Pages) Motorola, Inc – LOW-VOLTAGE CMOS OCTAL TRANSPARENT LATCH | |||
|
◁ |
MC74LVQ573
Dn 50% VCC
tPLH
On
50% VCC
VCC
50% VCC
0V
tPHL
VOH
50% VCC
VOL
WAVEFORM 1 â PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
OE
tPZH
On
50% VCC
tPHZ
50% VCC
50% VCC
tPZL
On
tPLZ
50% VCC
VCC
Dn
0V
VCC
VOH â 0.3V LE 50% VCC
â 0V
â 3.0V
On
VOL + 0.3V
GND
50% VCC
ts
tw
tPLH, tPHL
50% VCC
VCC
50% VCC
0V
th
VCC
50% VCC
0V
VOH
VOL
WAVEFORM 2 â OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
WAVEFORM 3 â LE to On PROPAGATION DELAYS, LE MINIMUM
PULSE WIDTH, Dn to LE SETUP AND HOLD TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns except when noted
Figure 1. AC Waveforms
PULSE
GENERATOR
VCC
DUT
RT
R1
CL
RL
2 ⢠VCC
OPEN
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 = 500⦠or equivalent
RT = ZOUT of pulse generator (typically 50â¦)
Figure 2. Test Circuit
ECLinPS and ECLinPS Lite
5
DL140 â Rev 3
MOTOROLA
|
▷ |