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參數資料
型號: DM74LS123SJX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 諧振器
英文描述: Monostable Multivibrator
中文描述: LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
封裝: 5.30 MM, EIAJ TYPE2, SOP-16
文件頁數: 1/8頁
文件大小: 96K
代理商: DM74LS123SJX
2000 Fairchild Semiconductor Corporation
DS006386
www.fairchildsemi.com
August 1986
Revised April 2000
D
DM74LS123
Dual Retriggerable One-Shot
with Clear and Complementary Outputs
General Description
The DM74LS123 is a dual retriggerable monostable multi-
vibrator capable of generating output pulses from a few
nano-seconds to extremely long duration up to 100% duty
cycle. Each device has three inputs permitting the choice of
either leading edge or trailing edge triggering. Pin (A) is an
active-LOW transition trigger input and pin (B) is an active-
HIGH transition trigger input. The clear (CLR) input termi-
nates the output pulse at a predetermined time indepen-
dent of the timing components. The clear input also serves
as a trigger input when it is pulsed with a low level pulse
transition (
). To obtain the best trouble free operation
from this device please read the operating rules as well as
the Fairchild Semiconductor one-shot application notes
carefully and observe recommendations.
Features
I
DC triggered from active-HIGH transition or active-LOW
transition inputs
I
Retriggerable to 100% duty cycle
I
Compensated for V
CC
and temperature variations
I
Triggerable from CLEAR input
I
DTL, TTL compatible
I
Input clamp diodes
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
H
=
HIGH Logic Level
L
=
LOW Logic Level
X
=
Can Be Either LOW or HIGH
=
Positive Going Transition
=
Negative Going Transition
=
A Positive Pulse
=
A Negative Pulse
Order Number
DM74LS123M
DM74LS123SJ
DM74LS123N
Package Number
M16A
M16D
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Inputs
Outputs
CLEAR
L
X
X
H
H
A
X
H
X
L
L
B
X
X
L
H
H
Q
L
L
L
Q
H
H
H
相關PDF資料
PDF描述
DM74LS153MX 4-Input Digital Multiplexer
DM74LS153 Dual 1-of-4 Line Data Selectors/Multiplexers(4選1數據選擇器)
DM74LS153M Dual 1-of-4 Line Data Selectors/Multiplexers
DM74LS153N Dual 1-of-4 Line Data Selectors/Multiplexers
DM74LS154WMX 4-To-16-Line Demultiplexer
相關代理商/技術參數
參數描述
DM74LS125 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
DM74LS125A WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
DM74LS125AM 功能描述:緩沖器和線路驅動器 Quad 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
DM74LS125AMX 功能描述:緩沖器和線路驅動器 Quad 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
DM74LS125AN 功能描述:緩沖器和線路驅動器 Quad 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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