74hct3g34 NXP Semiconductors, 74hct3g34 Datasheet - Page 10

• Manufacturer Part Number: 74hct3g34
• Description: Triple Buffer Gate
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
2003 May 19
handbook, full pagewidth
Triple buffer gate
For 74HC3G: V
For 74HCT3G: V
t
t
t
PLH
PLZ
PHZ
/t
/t
/t
TEST
PZL
PHL
PZH
M
M
Fig.4 The input (nA) to output (nY) propagation delays and the output transition times.
= 50%; V
= 1.3 V; V
open
V
GND
CC
I
= GND to V
I
= GND to 3.0 V.
S1
GENERATOR
PULSE
handbook, halfpage
CC
.
nY output
nA input
Fig.5 Load circuitry for switching times.
Definitions for test circuit:
R
C
R
L
L
T
GND
V OH
V OL
= Load resistor.
= load capacitance including jig and probe capacitance.
= termination resistance should be equal to the output impedance Z
V I
V I
R T
D.U.T.
V M
V CC
t THL
V M
10
t PHL
V O
50 pF
C L =
10%
V M
V M
MNA742
t TLH
R L =
1 k
74HC3G34; 74HCT3G34
90%
t PLH
S1
MNA746
open
GND
V CC
o
of the pulse generator.
Product specification