MC74LVQ574 Datasheet, PDF (5/8 Pages) Motorola, Inc – LOW-VOLTAGE CMOS OCTAL D-TYPE FLIP-FLOP

MC74LVQ574
Dn
ts
CP
On
50% VCC
th
50% VCC
fmax
tPLH, tPHL
50% VCC
VCC
50% VCC
0V
VCC
0V
VOH
VOL
WAVEFORM 1 – PROPAGATION DELAYS, SETUP AND HOLD TIMES
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
0V
VCC
VOH – 0.3V
≈ 0V
≈ 3.0V
VOL + 0.3V
GND
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
CP
50% VCC
tw
VCC
50% VCC
0V
CP
PULSE
GENERATOR
tw
50% VCC
VCC
50% VCC
0V
WAVEFORM 3 – PULSE WIDTH
tR = tF = 2.5ns (or fast as required) from 10% to 90%;
Output requirements: VOL ≤ 0.8V, VOH ≥ 2.0V
Figure 1. AC Waveforms
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 = 500Ω or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
Figure 2. Test Circuit
ECLinPS and ECLinPS Lite
5
DL140 — Rev 3
MOTOROLA