74hct2g02 NXP Semiconductors, 74hct2g02 Datasheet - Page 10

• Manufacturer Part Number: 74hct2g02
• Description: Dual 2-input Nor Gate
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
2003 May 14
handbook, full pagewidth
Dual 2-input NOR gate
For 74HC2G02: V
For 74HCT2G02: V
Definitions for test circuit:
C
R
t
t
t
L
T
PLH
PLZ
PHZ
= Load capacitance including jig and probe capacitance.
= Termination resistance should be equal to the output impedance Z
/t
/t
/t
TEST
PZL
PHL
PZH
M
M
= 50%; V
= 1.3 V; V
Fig.5 The input (nA, nB) to output (nY) propagation delays and transition times.
open
V
GND
CC
I
= GND to V
I
S1
= GND to 3.0 V.
GENERATOR
handbook, halfpage
PULSE
nA, nB input
CC
nY output
.
Fig.6 Load circuitry for switching times.
GND
V OH
V OL
V I
V I
R T
V M
t THL
D.U.T.
V CC
V M
o
t PHL
10
of the pulse generator.
V O
50 pF
C L =
10%
V M
V M
t TLH
MNA742
R L =
1 k
90%
t PLH
74HC2G02; 74HCT2G02
MNA718
S1
V CC
open
GND
Product specification