參數(shù)資料
型號(hào): CD4538
廠商: Fairchild Semiconductor Corporation
英文描述: Quadruple Operational Amplifier 14-TSSOP 0 to 70
中文描述: 雙精密單穩(wěn)態(tài)
文件頁數(shù): 1/10頁
文件大小: 237K
代理商: CD4538
TL/F/6000
C
February 1988
CD4538BM/CD4538BC Dual Precision Monostable
General Description
The CD4538B is a dual, precision monostable multivibrator
with independent trigger and reset controls. The device is
retriggerable and resettable, and the control inputs are inter-
nally latched. Two trigger inputs are provided to allow either
rising or falling edge triggering. The reset inputs are active
low and prevent triggering while active. Precise control of
output pulse-width has been achieved using linear CMOS
techniques. The pulse duration and accuracy are deter-
mined by external components R
X
and C
X
. The device does
not allow the timing capacitor to discharge through the tim-
ing pin on power-down condition. For this reason, no exter-
nal protection resistor is required in series with the timing
pin. Input protection from static discharge is provided on all
pins.
Features
Y
Wide supply voltage range
3.0V to 15V
0.45 V
CC
(typ.)
Y
High noise immunity
Y
Low power
TTL compatibility
Y
New formula: PW
OUT
e
RC
(PW in seconds, R in Ohms, C in Farads)
Fan out of 2 driving 74L
or 1 driving 74LS
Y
g
1.0% pulse-width variation from part to part (typ.)
Y
Wide pulse-width range
1
m
s to
%
Y
Separate latched reset inputs
Y
Symmetrical output sink and source capability
Y
Low standby current
5 nA (typ.)
@
5 V
DC
Y
Pin compatible to CD4528B
Block and Connection Diagrams
TL/F/6000–1
R
X
and C
X
are External Components
V
DD
e
Pin 16
V
SS
e
Pin 8
Dual-In-Line Package
CD4538BM
CD4538BC
TL/F/6000–2
Top View
Order Number CD4538B
Truth Table
Inputs
Outputs
Clear
A
B
Q
Q
L
X
X
H
H
X
H
X
L
u
X
X
L
v
H
L
L
L
H
H
H
é
é
H
L
u
é
e
One High Level Pulse
e
One Low Level Pulse
X
e
Irrelevant
e
High Level
e
Low Level
e
Transition from Low to High
e
Transition from High to Low
C
1995 National Semiconductor Corporation
RRD-B30M105/Printed in U. S. A.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CD4538BC 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual Precision Monostable
CD4538BC_02 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual Precision Monostable
CD4538BCJ/A+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Monostable Multivibrator
CD4538BCM 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL PREC MONOSTABLE RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
CD4538BCM_Q 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL PREC MONOSTABLE RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel