74lv4040db NXP Semiconductors, 74lv4040db Datasheet - Page 8

• Manufacturer Part Number: 74lv4040db
• Description: 12-stage Binary Ripple Counter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
V
V
V
output load.
1998 Jun 23
M
M
OL
output (Q
Qn OUTPUT
Figure 8. Master reset (MR) pulse width, the master reset to
12-stage binary ripple counter
Figure 7. Clock (CP) to output (Q
clock pulse width and the maximum clock pulse frequency
= 1.5V at V
= 0.5V * V
MR INPUT
CP INPUT
and V
V
CP INPUT
GND
V
Q
V
GND
GND
GND
I
OH
OL
V
n
OH
OUTPUT
OH
V
V
I
I
n
) propagation delays and the master reset to clock
are the typical output voltage drop that occur with the
CC
CC
at V
w 2.7V v 3.6V
V
M
t
PHL
CC
t 2.7V and w 4.5V
t
(CP) removal time
PHL
t
W
1/
V
f
M
max
tW
n
) propagation delays, the
t
rem
t
PLH
SV00322
SV00908
8
TEST CIRCUIT
GENERATOR
DEFINITIONS
R
C
R
L
L
T
t
PULSE
PLH/
TEST
= Load resistor
= Load capacitance includes jig and probe capacitance
= Termination resistance should be equal to Z
t
PHL
Figure 9.Load circuitry for switching times
Test Circuit for switching times
V
I
R
2.7–3.6V
< 2.7V
T
V
CC
D.U.T.
V
CC
V
2.7V
V
CC
I
V
O
OUT
C
L
of pulse generators.
Product specification
74LV4040
50pF
SV00901
R
L
= 1k