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參數(shù)資料
| 型號： | 933669840652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 諧振器 |
| 英文描述： | HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大小： | 142K |
| 代理商： | 933669840652 |
September 1993
4
Philips Semiconductors
Product specication
Dual retriggerable precision monostable
multivibrator
74HC/HCT4538
Fig.4 Functional diagram.
Fig.5
Connection of the external timing
components Rt and Ct.
(1) Connect CTC (pins 1 and 15) to GND (pin 8).
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
↑ = LOW-to-HIGH transition
↓ = HIGH-to-LOW transition
= one HIGH level output pulse
= one LOW level output pulse
INPUTS
OUTPUTS
nA0
nA1
nRD
nQ
↓
LH
H
↑
H
XX
L
H
Fig.6 Timing diagram.
(1) Positive edge triggering.
(2) Positive edge retriggering (pulse
lengthening).
(3) Negative edge triggering.
(4) Reset (pulse shortening).
(5) Vref1 and Vref2 are internal reference voltages.
(6) T = 0.7
× Rt × Ct (see also Fig.5).
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 9336CMG | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING S J PLIERS W/CO-MOLDED GRIPS, LASER HARDENED EDGES, CDD |
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| 9336N | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING, GENERAL PURPOSE SOLID JOINT PLIERS |
| 9336-RED | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 9336SCN | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING SOLID JOINT PLIERS, CUSHION GRIP |
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