M74HC4538M1R STMicroelectronics, M74HC4538M1R Datasheet

M74HC4538M1R

Manufacturer Part Number
M74HC4538M1R
Description
Manufacturer
STMicroelectronics
Datasheet

Specifications of M74HC4538M1R

Logic Family
HC
High Level Output Current
-5.2mA
Low Level Output Current
5.2mA
Quiescent Current
4uA
Number Of Elements
2
Operating Temperature Classification
Military
Operating Supply Voltage (max)
6V
Operating Supply Voltage (typ)
2.5/3.3/5V
Operating Temperature (max)
125C
Technology
CMOS
Abs. Propagation Delay Time
375ns
Operating Supply Voltage (min)
2V
Lead Free Status / RoHS Status
Compliant

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Part Number:
M74HC4538M1R
Quantity:
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M74HC4538M1R
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DESCRIPTION
The M74HC4538 is an high speed CMOS
MONOSTABLE MULTIVIBRATOR fabricated with
silicon gate C
Each multivibrator features both a negative A, and
a positive B, edge 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.
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
HIGH SPEED :
t
LOW POWER DISSIPATION:
STAND BY STATE :
I
ACTIVE STATE :
I
HIGH NOISE IMMUNITY:
V
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
WIDE OPERATING VOLTAGE RANGE:
V
WIDE OUTPUT PULSE WIDTH RANGE :
t
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 4538
PD
CC
CC
PLH
WOUT
OH
NIH
CC
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
=4 A (MAX.) at T
=200 A (TYP.) at V
= 25 ns (TYP.) at V
| = I
(OPR) = 2V to 6V
The
= V
t
= 120 ns ~ 60 s OVER AT V
PHL
OL
NIL
= 4mA (MIN)
2
MOS technology.
= 28 % V
monostable
A
CC
=25°C
CC
CC
(MIN.)
= 6V
= 6V
multivibrator
CC
= 4.5 V
are
ORDER CODES
retriggerable. That is, they may be triggered
repeatedly while their outputs are generating a
pulse and the pulse will be extended. Pulse width
stability over a wide range of temperature and
supply
techniques.
The output pulse equation is simply :
PW = 0.7 (R)(C) where PW is in seconds, R in
Omhs and C is in Farads.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PACKAGE
TSSOP
SOP
DIP
DIP
is
M74HC4538M1R
M74HC4538B1R
achieved
TUBE
M74HC4538
SOP
using
M74HC4538RM13TR
M74HC4538TTR
linear
T & R
TSSOP
CMOS
1/11

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M74HC4538M1R Summary of contents

Page 1

... The output pulse equation is simply : PW = 0.7 (R)(C) where seconds Omhs and Farads. All inputs are equipped with protection circuits against static discharge and transient excess voltage. multivibrator are M74HC4538 DIP SOP TUBE T & R M74HC4538B1R M74HC4538M1R M74HC4538RM13TR M74HC4538TTR is achieved using linear TSSOP CMOS 1/11 ...

Page 2

M74HC4538 INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE INPUTS Don’t Care SYSTEM DIAGRAM This logic diagram has not be used to estimate propagation delays 2/11 PIN DESCRIPTION PIN ...

Page 3

TIMING CHART BLOCK DIAGRAM (1) Cx, Rx, Dx are external components. ( clamping diode. The external capacitor is charged to Vcc in the stand-by-state, i.e. no trigger. When the supply voltage is turned off ...

Page 4

M74HC4538 FUNCTIONAL DESCRIPTION STAND-BY STATE The external capacitor,Cx, is fully charged to Vcc in the stand-by state. Hence, before triggering, transistor Qp and Qn (connected to the Rx/Cx node) are both turned-off. The two comparators that control the timing and ...

Page 5

RECOMMENDED OPERATING CONDITIONS Symbol V Supply Voltage CC V Input Voltage I V Output Voltage O T Operating Temperature op Input Rise and Fall Time (CD only External Capacitor External Resistor Rx The Maximum ...

Page 6

M74HC4538 AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter Output Transition TLH THL Time t t Propagation Delay PLH PHL Time ( Propagation Delay PLH PHL Time ( Output ...

Page 7

CAPACITIVE CHARACTERISTICS Symbol Parameter V C Input Capacitance IN C Power Dissipation PD Capacitance (note defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without PD load. ...

Page 8

M74HC4538 SWITCHING CHARACTERISTICS TEST WAVEFORM (f=1MHz; 50% duty cycle) 8/11 ...

Page 9

SO-16 MECHANICAL DATA mm. DIM. MIN 0 0. 9 3.8 G 4 TYP MAX. MIN. 1.75 0.2 0.003 1.65 0.46 0.013 0.25 ...

Page 10

M74HC4538 DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 4.9 E 6 0° PIN 1 IDENTIFICATION 1 10/11 TSSOP16 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 ...

Page 11

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...

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