ICM7555CBAZ Intersil, ICM7555CBAZ Datasheet

ICM7555CBAZ

Manufacturer Part Number

ICM7555CBAZ

Description

IC TIMER RC GEN PURP CMOS 8SOIC

Manufacturer

Intersil

Type

555 Type, Timer/Oscillator (Single)r

Datasheet

1.ICM7555CBAZ.pdf (12 pages)

Specifications of ICM7555CBAZ

Frequency

1MHz

Voltage - Supply

2 V ~ 18 V

Current - Supply

60µA

Operating Temperature

0°C ~ 70°C

Package / Case

8-SOIC (3.9mm Width)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Count

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STM

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General Purpose Timers

The ICM7555 and ICM7556 are CMOS RC timers providing

significantly improved performance over the standard

SE/NE 555/6 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 SE/NE 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.

Pinouts

TRIGGER

OUTPUT

RESET

GND

ICM7555 (8 LD PDIP, SOIC)

TOP VIEW

Data Sheet

DISCHARGE

THRESHOLD

CONTROL

VOLTAGE

1-888-INTERSIL or 1-888-468-3774

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%/°C at +25°C

• 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

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

• Precision Timing

• Pulse Generation

• Sequential Timing

• Time Delay Generation

• Pulse Width Modulation

• Pulse Position Modulation

• Missing Pulse Detector

TLC555/556

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

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

Output Transition

than Regular 555/6 for Longer RC Time Constants

DISCHARGE

August 24, 2006

CONTROL

VOLTAGE

TRIGGER

THRESH-

OUTPUT

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

RESET

ICM7556 (14 LD PDIP, CERDIP)

GND

OLD

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

TOP VIEW

ICM7555, ICM7556

DISCHARGE

THRESHOLD

CONTROL

VOLTAGE

RESET

OUTPUT

TRIGGER

FN2867.9

Related parts for ICM7555CBAZ

ICM7555CBAZ Summary of contents

Page 1

... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Intersil (and design registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002, 2004, 2005, 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ICM7555, ICM7556 FN2867.9 ...

Page 2

... Ordering Information PART NUMBER PART MARKING ICM7555CBA 7555 CBA ICM7555CBA-T 7555 CBA ICM7555CBAZ (Note) 7555 CBAZ ICM7555CBAZ-T (Note) 7555 CBAZ ICM7555IBA 7555 IBA ICM7555IBAT 7555 IBA ICM7555IBAZ (Note) 7555 IBAZ ICM7555IBAZ-T (Note) 7555 IBAZ ICM7555IPA 7555 IPA ICM7555IPAZ (Note) 7555 IPAZ ...

Page 3

Absolute Maximum Ratings Supply Voltage ...

Page 4

Electrical Specifications Applies to ICM7555 and ICM7556, unless otherwise specified (Continued) PARAMETER SYMBOL Reset Voltage V RST Reset Current I RST Discharge Leakage I DIS Output Voltage Discharge Output Voltage V DIS Supply Voltage (Note 3) ...

Page 5

Schematic Diagram P P THRESHOLD N N CONTROL VOLTAGE TRIGGER R = 100kΩ ±20% (TYP) Application Information General The ICM7555 and ICM7556 devices are, in most instances, direct replacements for the NE/SE 555/6 devices. However possible to effect ...

Page 6

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 7

Typical Performance Curves 1200 1100 T = 25°C A 1000 900 800 700 600 500 400 DD 300 200 100 LOWEST VOLTAGE LEVEL OF TRIGGER PULSE (%V ...

Page 8

Typical Performance Curves 25° 10kΩ 0.1μ 0.1 1.0 SUPPLY VOLTAGE (V) FIGURE 10. NORMALIZED FREQUENCY STABILITY IN THE ASTABLE MODE ...

Page 9

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

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

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 12

... 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; nor for any infringements of patents or other rights of third parties which may result from its use ...

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