參數(shù)資料
型號(hào): 74LV423
廠商: NXP Semiconductors N.V.
英文描述: Dual retriggerable monostable multivibrator with reset
中文描述: 雙retriggerable單穩(wěn)態(tài)觸發(fā)器的復(fù)位
文件頁(yè)數(shù): 11/16頁(yè)
文件大小: 156K
代理商: 74LV423
Philips Semiconductors
Preliminary specification
74LV423
Dual retriggerable monostable multivibrator
with reset
1997 Feb 04
11
TEST CIRCUIT
SWITCH POSITION
PULSE
GENERATOR
R
T
V
I
D.U.T.
V
O
C
L
R
L
V
CC
R
L
Test Circuit for switching times
Open
GND
S
1
DEFINITIONS
V
CC
V
I
< 2.7V
V
CC
TEST
S
1
t
PLH/
t
PHL
t
PLZ/
t
PZL
Open
R
L
= Load resistor; see AC CHARACTERISTICS for value.
C
= Load capacitance includes jig and probe capacitance:
See AC CHARACTERISTICS for value.
R
= Termination resistance should be equal to Z
OUT
of
pulse generators.
2
V
CC
2
V
CC
2.7V
V
CC
2.7–3.6V
t
PHZ/
t
PZH
GND
4.5V
SV00755
Figure 9. Load circuitry for switching times
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