74lvc38a NXP Semiconductors, 74lvc38a Datasheet - Page 8

• Manufacturer Part Number: 74lvc38a
• Description: Quad 2-input Nand Gate Open Drain
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
2004 Mar 22
handbook, full pagewidth
handbook, full pagewidth
Quad 2-input NAND gate (open drain)
(1) V
(2) V
(3) V
Note
1. The circuit performs better when R
Definitions for test circuits:
R
C
R
t
r
1.2
2.7
3.3 to 3.6
L
L
T
= t
= Load resistor.
= Load capacitance including jig and probe capacitance.
= Termination resistance should be equal to the output impedance Z
f
V
V
M
M
OL
X
X
V
2.5 ns; when measuring f
= V
= V
= 1.5 V at V
= 0.5V
and V
CC
OL
OL
+ 0.3 V at V
+ 0.15 V at V
CC
OH
at V
are typical output voltage drop that occur with the output load.
CC
2
6 V
6 V
CC
2.7 V.
< 2.7 V.
V
CC
V
CC
CC
EXT
< 2.7 V.
2.7 V.
max
nA, nB input
nY output
, there is no constraint on t
Fig.6 The input nA, nB to output nY propagation delays.
V
2.7 V
2.7 V
GENERATOR
CC
V OL
V
PULSE
GND
V CC
I
Fig.7 Load circuitry for switching times.
V I
(2)
L
= 1000 .
30 pF
50 pF
50 pF
V M
C
t PLZ
V I
L
r
, t
(1)
f
with 50% duty factor.
V X
R T
500
500
500
o
(3)
of the pulse generator.
8
D.U.T.
V CC
R
L
(1)
V O
t PZL
C L
V M
V EXT
(1)
MNA616
R L
R L
MNA700
Product specification
74LVC38A