ICM7555MTV Intersil Corporation, ICM7555MTV Datasheet

ICM7555MTV

Manufacturer Part Number

ICM7555MTV

Description

Manufacturer

Intersil Corporation

Datasheet

1.ICM7555MTV.pdf (11 pages)

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General Purpose Timers

The ICM7555 and ICM7556 are CMOS RC timers providing

significantly improved performance over the standard

SE/NE555/6 and 355 timers, while at the same time being

direct replacements for those devices in most applications.

Improved parameters include low supply current, wide

operating supply voltage range, low THRESHOLD,

TRIGGER and RESET currents, no crowbarring of the

supply current during output transitions, higher frequency

performance and no requirement to decouple CONTROL

VOLTAGE for stable operation.

Specifically, the ICM7555 and ICM7556 are stable

controllers capable of producing accurate time delays or

frequencies. The ICM7556 is a dual ICM7555, with the two

timers operating independently of each other, sharing only

V+ and GND. In the one shot mode, the pulse width of each

circuit is precisely controlled by one external resistor and

capacitor. For astable operation as an oscillator, the free

running frequency and the duty cycle are both accurately

controlled by two external resistors and one capacitor. Unlike

the regular bipolar 555/6 devices, the CONTROL VOLTAGE

terminal need not be decoupled with a capacitor. The circuits

are triggered and reset on falling (negative) waveforms, and

the output inverter can source or sink currents large enough

to drive TTL loads, or provide minimal offsets to drive CMOS

loads.

Applications

• Precision Timing

• Pulse Generation

• Sequential Timing

• Time Delay Generation

• Pulse Width Modulation

• Pulse Position Modulation

• Missing Pulse Detector

Pinouts

TRIGGER

OUTPUT

RESET

GND

ICM7555 (PDIP, SOIC)

TOP VIEW

Data Sheet

DISCHARGE

THRESHOLD

CONTROL

VOLTAGE

1-888-INTERSIL or 321-724-7143

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

Features

• Exact Equivalent in Most Cases for SE/NE555/556 or

• Low Supply Current

• Extremely Low Input Currents . . . . . . . . . . . . . . . . . 20pA

• High Speed Operation . . . . . . . . . . . . . . . . . . . . . . . 1MHz

• Guaranteed Supply Voltage Range . . . . . . . . . 2V to 18V

• Temperature Stability . . . . . . . . . . . . 0.005%/

• Normal Reset Function - No Crowbarring of Supply During

• Can be Used with Higher Impedance Timing Elements

• Timing from Microseconds through Hours

• Operates in Both Astable and Monostable Modes

• Adjustable Duty Cycle

• High Output Source/Sink Driver can Drive TTL/CMOS

• Outputs have Very Low Offsets, HI and LO

Ordering Information

ICM7555CBA (7555CBA)

ICM7555IBA (7555IBA)

ICM7555IPA

ICM7556IPD

ICM7556MJD

TLC555/556

- ICM7555 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60µA

- ICM7556 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120µA

Output Transition

than Regular 555/6 for Longer RC Time Constants

DISCHARGE

CONTROL

PART NUMBER

November 2002

VOLTAGE

TRIGGER

THRESH-

OUTPUT

All other trademarks mentioned are the property of their respective owners.

RESET

GND

OLD

Intersil (and design) is a registered trademark of Intersil Americas Inc.

ICM7556 (PDIP, CERDIP)

TOP VIEW

ICM7555, ICM7556

RANGE(

-55 to 125 14 Ld CERDIP

-25 to 85 8 Ld SOIC

-25 to 85 8 Ld PDIP

-25 to 85 14 Ld PDIP

0 to 70

TEMP.

DISCHARGE

THRESHOLD

CONTROL

VOLTAGE

RESET

OUTPUT

TRIGGER

8 Ld SOIC

PACKAGE

FN2867.6

C at 25

PKG. NO.

M8.15

E14.3

F14.3

E8.3

Related parts for ICM7555MTV

ICM7555MTV Summary of contents

Page 1

Data Sheet General Purpose Timers The ICM7555 and ICM7556 are CMOS RC timers providing significantly improved performance over the standard SE/NE555/6 and 355 timers, while at the same time being direct replacements for those devices in most applications. Improved ...

Page 2

Absolute Maximum Ratings Supply Voltage ...

Page 3

Electrical Specifications Applies to ICM7555 and ICM7556, Unless Otherwise Specified PARAMETER SYMBOL Reset Current I RST Discharge Leakage I DIS Output Voltage Discharge Output Voltage V DIS Supply Voltage (Note Output Rise Time ...

Page 4

Schematic Diagram P P THRESHOLD N N CONTROL VOLTAGE TRIGGER R = 100kΩ ±20% (TYP) Application Information General The ICM7555/6 devices are, in most instances, direct replacements for the NE/SE 555/6 devices. However possible to effect economies in ...

Page 5

OUTPUT FIGURE 2B. ALTERNATE ASTABLE CONFIGURATION OUTPUT DRIVE CAPABILITY The output driver consists of a CMOS inverter capable of driving most logic families including CMOS and TTL. As such, ...

Page 6

Typical Performance Curves 1200 1100 A 1000 900 800 700 600 500 400 DD 300 200 100 LOWEST VOLTAGE LEVEL OF TRIGGER ...

Page 7

Typical Performance Curves 10kΩ 0.1µ 0.1 1.0 SUPPLY VOLTAGE (V) FIGURE 10. NORMALIZED FREQUENCY STABILITY IN THE ...

Page 8

Small Outline Plastic Packages (SOIC) N INDEX 0.25(0.010) H AREA E - SEATING PLANE - -C- α µ 0.10(0.004) 0.25(0.010 NOTES: 1. Symbols are defined in ...

Page 9

Dual-In-Line Plastic Packages (PDIP INDEX N/2 AREA -B- -A- D BASE PLANE -C- SEATING PLANE 0.010 (0.25 NOTES: 1. Controlling Dimensions: INCH. In case of conflict between ...

Page 10

Dual-In-Line Plastic Packages (PDIP INDEX N/2 AREA -B- -A- D BASE PLANE -C- SEATING PLANE 0.010 (0.25 NOTES: 1. Controlling Dimensions: INCH. In case of conflict between ...

Page 11

... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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