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參數資料
| 型號： | 74VHC123ASJX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 諧振器 |
| 英文描述： | Monostable Multivibrator |
| 中文描述： | AHC/VHC SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-16 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 107K |
| 代理商： | 74VHC123ASJX |
July 1993
Revised April 1999
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1999 Fairchild Semiconductor Corporation
DS011621.prf
www.fairchildsemi.com
74VHC123A
Dual Retriggerable Monostable Multivibrator
General Description
The VHC123A is an advanced high speed CMOS
Monostable Multivibrator fabricated with silicon gate CMOS
technology. It achieves the high speed operation similar to
equivalent Bipolar Schottky TTL while maintaining the
CMOS low power dissipation. Each multivibrator features
both a negative, A, and a positive, B, transition triggered
input, either of which can be used as an inhibit input. Also
included is a clear input that when taken low resets the
one-shot. The VHC123A can be triggered on the positive
transition of the clear while A is held low and B is held high.
The output pulse width is determined by the equation:
PW
= (R
x)(Cx); where PW is in seconds, R is in ohms, and
C is in farads.
Limits for Rx and Cx are:
External capacitor, Cx No limit
External resistors, Rx VCC = 2.0V, 5 k min
VCC > 3.0V, 1 k min
An input protection circuit ensures that 0 to 7V can be
applied to the input pins without regard to the supply volt-
age. This device can be used to interface 5V to 3V systems
and two supply systems such as battery back up. This cir-
cuit prevents device destruction due to mismatched supply
and input voltages.
Features
s High Speed:
tPD = 8.1 ns (typ) at TA = 25°C
s Low Power Dissipation:
ICC = 4 A (Max) at TA = 25°C
s Active State: ICC = 600 A (Max) at TA = 25°C
s High Noise Immunity: VNIH = VNIL = 28% VCC (min)
s Power down protection is provided on all inputs
s Pin and function compatible with 74HC123A
Ordering Code:
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
IEEE/IEC
Connection Diagram
Order Number
Package Number
Package Description
74VHC123AM
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow
74VHC123ASJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHC123AMTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74VHC123AN
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74VHC123ASJX_NL | 功能描述:單穩態多諧振蕩器 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 |
| 74VHC125 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Quad Buffer with 3-STATE Outputs |
| 74VHC125_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD BUS BUFFERS (3-STATE) |
| 74VHC125_07 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Quad Buffer with 3-STATE Outputs |
| 74VHC125BQ | 制造商:NXP Semiconductors 功能描述:Cut Tape 制造商:NXP Semiconductors 功能描述:Bulk 制造商:NXP Semiconductors 功能描述:IC QUAD BUFF/DVR TRI-ST DH 制造商:NXP Semiconductors 功能描述:Buffer/Line Driver 4-CH Non-Inverting 3-ST CMOS 14-Pin DHVQFN EP T/R |
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