HEF4541BT - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

HEF4541BT
Manufacturer

NXP
ChipWorker Part#

CW142833432
Category

Clock Chip, Timing IC
Package

SOIC
Description

IC 1 TIMER(S), PROGRAMMABLE TIMER, PDSO14, PLASTIC, SO-14, Timer or RTC
Documentation

Datasheet

HEF4541BT Global Supplier

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HEF4541BT Specifications

Attribute	Attribute Value

Part Number	HEF4541BT
Manufacturer	NXP
ChipWorker Part#	CW142833432
Category	Clock Chip, Timing IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	SOIC
Frequency	100 kHz
Supply Voltage (DC)	5.00V (min)
Number of Positions	14 Position
Number of Gates	1 Gate
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	15 V
Supply Voltage (Min)	5 V
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Product Lifecycle Status	Unknown
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

Product Description

The HEF4541BT is a 14-pin Programmable Timer which consists of a 16-stage binary counter, an integrated oscillator to be used with external timing components, an automatic power-on reset and output control logic. The frequency of the oscillator is determined by the external components RTC and CTC within the frequency range 1Hz to 100kHz. This oscillator may be replaced by an external clock signal at input RS, the timer advances on the positive-going transition of RS. A LOW on the auto reset input (AR) and a LOW on the master reset input (MR) enables the internal power-on reset. A HIGH level at input MR resets the counter independent on all other inputs. Resetting disables the oscillator to provide no active power dissipation. A HIGH at input AR turns off the power-on reset to provide a low quiescent power dissipation of the timer. The 16-stage counter divides the oscillator frequency by 28, 210, 213 or 216 depending on the state of the address inputs (A0, A1).
Fully static operation
Standardized symmetrical output characteristics
Complies with JEDEC standard JESD 13-B

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