MC1408-8 ON Semiconductor, MC1408-8 Datasheet

MC1408-8

Manufacturer Part Number

MC1408-8

Description

8-Bit Multiplying D/A Converter - Product Preview

Manufacturer

ON Semiconductor

Datasheet

1.MC1408-8.pdf (12 pages)

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MC14538B

Dual Precision

Retriggerable/Resettable

Monostable Multivibrator

multivibrator. It may be triggered from either edge of an input pulse,

and produces an accurate output pulse over a wide range of widths, the

duration and accuracy of which are determined by the external timing

components, C

Features

•

Maximum ratings are those values beyond which device damage can occur.

Maximum ratings applied to the device are individual stress limit values (not

normal operating conditions) and are not valid simultaneously. If these limits are

exceeded, device functional operation is not implied, damage may occur and

reliability may be affected.

1. Temperature Derating:

static voltages or electric fields. However, precautions must be taken to avoid

applications of any voltage higher than maximum rated voltages to this

high−impedance circuit. For proper operation, V

to the range V

(e.g., either V

MAXIMUM RATINGS

August, 2005 − Rev. 7

Symbol

The MC14538B is a dual, retriggerable, resettable monostable

This device contains protection circuitry to guard against damage due to high

Unused inputs must always be tied to an appropriate logic voltage level

Schottky TTL Load Over the Rated Temperature Range

Supplies Up to 6 V

Unlimited Rise and Fall Time Allowed on the A Trigger Input

Pulse Width Range = 10 ms to 10 s

Latched Trigger Inputs

Separate Latched Reset Inputs

3.0 Vdc to 18 Vdc Operational Limits

Triggerable from Positive (A Input) or Negative−Going Edge (B−Input)

Capable of Driving Two Low−Power TTL Loads or One Low−Power

Pin−for−pin Compatible with MC14528B and CD4528B (CD4098)

Use the MC54/74HC4538A for Pulse Widths Less Than 10 ms with

Pb−Free Packages are Available*

Plastic “P and D/DW” Packages: – 7.0 mW/_C From 65_C To 125_C

, V

, I

stg

out

= Farads

= W

out

DC Supply Voltage Range

Input or Output Voltage Range

(DC or Transient)

Input or Output Current

(DC or Transient) per Pin

Power Dissipation, per Package

(Note 1)

Operating Temperature Range

Storage Temperature Range

Lead Temperature

(8−Second Soldering)

or V

v (V

and R

). Unused outputs must be left open.

Parameter

or V

(Voltages Referenced to V

. Output Pulse Width T = R

out

) v V

and V

−0.5 to V

−0.5 to +18.0

−55 to +125

−65 to +150

out

)

Value

±10

500

260

should be constrained

@ C

+ 0.5

(secs)

Unit

°C

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

*For additional information on our Pb−Free strategy

and soldering details, please download the

ON Semiconductor Soldering and Mounting

Techniques Reference Manual, SOLDERRM/D.

ORDERING INFORMATION

WL, L

YY, Y

WW, W

http://onsemi.com

CASE 751B

CASE 948F

DT SUFFIX

DW SUFFIX

CASE 751G

TSSOP−16

SOEIAJ−16

D SUFFIX

CASE 648

SOIC−16

CASE 966

P SUFFIX

F SUFFIX

PDIP−16

SOIC−16

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Indicator

Publication Order Number:

DIAGRAMS

MARKING

MC14538BCP

AWLYYWWG

AWLYWW

AWLYYWW

MC14538B

14538BG

MC14538B/D

14538BG

ALYWG

ALYW

538B

Related parts for MC1408-8

MC1408-8 Summary of contents

Page 1

... See detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet. and V should be constrained in out *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. 1 http://onsemi.com MARKING DIAGRAMS 16 PDIP−16 ...

Page 2

PIN ASSIGNMENT RESET ONE−SHOT SELECTION GUIDE 100 ...

Page 3

ELECTRICAL CHARACTERISTICS Î Î Î Î Î ...

Page 4

SWITCHING CHARACTERISTICS (Note 4) Î Î Î ...

Page 5

(14 ref1 X (15 (12 (11 (13) RESET V DD 500 ′ ...

Page 6

50% RESET t PLH T t PLH 50% 50% 50 PHL PHL Q 50% 50 25° POINT PULSE WIDTH R = 100 0.1 ...

Page 7

R = 100 0 −1 −2 −60 −40 − AMBIENT TEMPERATURE (°C) A Figure 8. Typical Error of Pulse Width Equation versus Temperature 1 A ...

Page 8

TRIGGER OPERATION The block diagram of the MC14538B is shown in Figure 1, with circuit operation following. As shown in Figure 1 and 10, before an input trigger occurs, the monostable is in the quiescent state with the Q output ...

Page 9

RISING−EDGE V DD TRIGGER RESET = FALLING−EDGE TRIGGER RESET = V DD Figure 12. Retriggerable Monostables Circuitry ...

Page 10

0.25 (0.010) M −A− −B− −T− SEATING PLANE 0.25 (0.010 MC14538B PACKAGE DIMENSIONS ...

Page 11

16X 0. 14X K 16X REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT. 1 0.15 (0.006 ...

Page 12

... DETAIL P VIEW American Technical Support: 800−282−9855 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 12 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. ...

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