參數(shù)資料
型號: 74LV132
廠商: NXP Semiconductors N.V.
英文描述: Quad 2-input NAND Schmitt-trigger
中文描述: 四2輸入與非施密特觸發(fā)器
文件頁數(shù): 7/12頁
文件大?。?/td> 117K
代理商: 74LV132
Philips Semiconductors
Product specification
74LV132
Quad 2-input NAND Schmitt-trigger
1998 Apr 28
7
TRANSFER CHARACTERISTIC WAVEFORMS
(Continued)
200
150
100
50
0
0
0.6
1.2
1.8
3.0
V
IN
(V)
I
CC
A)
SV00225
250
2.4
Figure 5. Typical LV132 transfer characteristics; V
CC
= 3.0V.
AC WAVEFORMS
V
M
= 1.5V at V
CC
V
M
= 0.5V * V
CC
at V
CC
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
2.7V
3.6V
2.7V and
4.5V
V
M
t
PLH
t
PHL
V
M
V
M
V
CC
nA, nB INPUT
GND
V
OH
nY OUTPUT
V
OL
SV00219
Figure 6. Input (nA, nB) to output (nY) propagation delays.
TEST CIRCUIT
PULSE
GENERATOR
R
T
V
l
D.U.T.
V
O
C
L
R
L
= 1k
V
cc
Test Circuit for Outputs
DEFINITIONS
R
L
= Load resistor
C
L
= Load capacitance includes jig and probe capacitiance
R
T
= Termination resistance should be equal to Z
OUT
of pulse generators.
V
CC
V
I
< 2.7V
2.7–3.6V
V
CC
2.7V
TEST
t
PLH/
t
PHL
4.5 V
V
CC
50pF
SV00902
Figure 7.Load circuitry for switching times.
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