ICM7555CD,623 datasheet, PDF - EEWORLD Datasheet

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ICM7555CD,623: DescriptionIC OSC SGL TIMER 500KHZ 8-SOIC; CategoryAnalog mixed-signal IC The signal circuit; File Size122KB，22 Pages; ManufacturerNXP; Websitehttps://www.nxp.com

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ICM7555CD,623 Overview

IC OSC SGL TIMER 500KHZ 8-SOIC

ICM7555CD,623 Parametric

Parameter Name	Attribute value
Brand Name	NXP Semiconductor
Maker	NXP
Parts packaging code	SOIC
package instruction	SOP,
Contacts	8
Manufacturer packaging code	SOT96-1
Reach Compliance Code	unknown
ECCN code	EAR99
Analog Integrated Circuits - Other Types	PULSE
JESD-30 code	R-PDSO-G8
length	4.9 mm
Number of functions	1
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output frequency	0.5 GHz
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.75 mm
Maximum supply voltage (Vsup)	16 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	3.9 mm

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ICM7555

General purpose CMOS timer

Rev. 02 — 3 August 2009

Product data sheet

1. General description

The ICM7555 is a CMOS timer providing signiﬁcantly improved performance over the

standard NE/SE555 timer, while at the same time being a direct replacement 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.

The ICM7555 is a stable controller capable of producing accurate time delays or

frequencies.

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 NE/SE555 device, the CONTROL_VOLTAGE terminal need not

be decoupled with a capacitor. The TRIGGER and RESET inputs are active LOW. The

output inverter can source or sink currents large enough to drive TTL loads or provide

minimal offsets to drive CMOS loads.

2. Features

Exact equivalent in most applications for NE/SE555

Low supply current: 80

µA

(typical)

Extremely low trigger, threshold, and reset currents: 20 pA (typical)

High-speed operation: 500 kHz guaranteed

Wide operating supply voltage range guaranteed 3 V to 16 V over full automotive

temperatures

Normal reset function; no crowbarring of supply during output transition

Can be used with higher-impedance timing elements than the NE/SE555 for longer

time constants

Timing from microseconds through hours

Operates in both astable and monostable modes

Adjustable duty cycle

High output source/sink driver can drive TTL/CMOS

Typical temperature stability of 0.005 % /

°C

at 25

°C

Rail-to-rail outputs

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