Datasheet > CD14538BMS

CD14538BMS

更新时间： 2024-09-23 22:28:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		振荡器逻辑集成电路
页数	文件大小	规格书
9页	80K
描述
CMOS Dual Precision Monostable Multivibrator

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CD14538BMS 数据手册

CD14538BMS

CMOS Dual Precision

Monostable Multivibrator

November 1994

Features

Description

• High-Voltage Type (20V Rating)

CD14538BMS dual precision monostable multivibrator provides stable retrigger-

able/resettable one-shot operation for any ﬁxed-voltage timing application.

• Retriggerable/Resettable Capability

• Trigger and Reset Propagation Delays Inde-

pendent of RX, CX

An external resistor (R_X) and an external capacitor (C_X) control the timing and

accuracy for the circuit. Adjustment of R_Xand C_Xprovides a wide range of out-

put pulse widths from the Q and Q terminals. The time delay from trigger input to

output transition (trigger propagation delay) and the time delay from reset input

to output transition (reset propagation delay) are independent of R_Xand C_X. Pre-

cision control of output pulse widths is achieved through linear CMOS tech-

niques.

• Triggering From Leading or Trailing Edge

• Q and Q Buffered Outputs Available

• Separate Resets

• Wide Range of Output-Pulse Widths

• Schmitt-Trigger Input Allows Unlimited Rise

and Fall Times On +TR and -TR Inputs

Leading-edge-triggering (+TR) and trailing-edge-triggering (-TR) inputs are pro-

vided for triggering from either edge of an input pulse. An unused +TR input

should be tied to VSS. An unused -TR input should be tied to VDD. A RESET

(on low level) is provided for immediate termination of the output pulse or to pre-

vent output pulses when power is turned on. An unused RESET input should be

tied to VDD. However, if an entire section of the CD14538BMS is not used, its

inputs must be tied to either VDD or VSS. See Table 1.

• 100% Tested For Maximum Quiescent Cur-

rent at 20V

• Maximum Input Current of 1µA at 18V Over

Full Package-Temperature Range:

- 100nA at 18V and +25^oC

• Noise Margin (Full Package-Temperature

Range):

In normal operation the circuit retriggers (extends the output pulse one period)

on the application of each new trigger pulse. For operation in the non-retrigger-

able mode, Q is connected to -TR when leading-edge triggering (+TR) is used

or Q is connected to +TR when trailing-edge triggering (-TR) is used. The time

period (T) for this multivibrator can be calculated by: T = R_XC_X.

- 1V at VDD = 5V

- 2V at VDD = 10V

- 2.5V at VDD = 15V

The minimum value of external resistance, R_Xis 4KΩ. The minimum and maxi-

mum values of external capacitance, C_X, are 0pF and 100µF, respectively.

• 5V, 10V and 15V Parametric Ratings

• Standardized Symmetrical Output Charac-

teristics

The CD14538BMS is interchangeable with type MC14538 and is similar to and

pin-compatible with the CD4098B* and CD4538B**.

• Meets All Requirements of JEDEC Tentative

Standards No. 13B, “Standard Speciﬁca-

tions for Description of “B” Series CMOS

Device’s

* T = 0.5 R C for C ≥ 1000pF.

* T = R C ; C min = 5000pF.

The CD14538BMS is supplied in these 16-lead outline packages:

Applications

• Pulse Delay and Timing

Braze Seal DIP

Frit Seal DIP

H4X

H1L

• Pulse Shaping

Ceramic Flatpack H6W

Pinout

Functional Diagram

CX1

RX1

CD14538BMS

TOP VIEW

VDD

RXCX(1)

C_X1

R_XC_X(1)

RESET (1)

+TR (1)

-TR (1)

16 V_DD

+TR

-TR

15 C_X2

MONO₁

MONO₂

14 R_XC_X(2)

13 RESET (2)

12 +TR (2)

11 -TR (2)

10 Q2

RESET

+TR 12

-TR 11

10 Q2

RESET 13

V_SS

15 14 RXCX(2)

CX2 RX2

VDD = 16

VSS = 8

VDD

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

File Number 3192

12 3 4 5 6 7...9

中文翻译

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与CD14538BMS相关器件

型号	品牌	获取价格	描述	数据表
CD14538BMSD	RENESAS	获取价格	4000/14000/40000 SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16, DIP-16
CD14538BMSF	RENESAS	获取价格	4000/14000/40000 SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16, FRIT SEALED, CERAMIC, DIP-
CD14538BMSH	RENESAS	获取价格	4000/14000/40000 SERIES, DUAL MONOSTABLE MULTIVIBRATOR, UUC16, DIE
CD14538BMSK	RENESAS	获取价格	4000/14000/40000 SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDFP16, CERAMIC, DFP-16
CD14538BMT	TI	获取价格	CMOS DUAL PRECISION MONOSTABLE MULTIVIBRATOR
CD14538BMTE4	TI	获取价格	CMOS Dual Precision Monostable Multivibrator
CD14538BMTG4	TI	获取价格	CMOS Dual Precision Monostable Multivibrator
CD14538BNSR	TI	获取价格	CMOS DUAL PRECISION MONOSTABLE MULTIVIBRATOR
CD14538BNSRE4	TI	获取价格	CMOS Dual Precision Monostable Multivibrator
CD14538BNSRG4	TI	获取价格	CMOS Dual Precision Monostable Multivibrator

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