CD4541B Status: ACTIVE

CMOS Programmable Timer - High Voltage Type (20V Rating)

Harris

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Datasheet

CD4541B (Rev. E) (PDF 533 KB) 5657 views
21 Aug 2003

	CD4541B
Voltage Nodes(V)	5, 10, 15
Rating	Catalog
Technology Family	CD4000
	Samples
	Inventory

Other qualified versions of CD4541B

Version	Part Number	Definition
Military	CD4541B-MIL	QML certified for Military and Defense Applications

Customers Who Evaluated This Product Also Evaluated

CD4521B: CMOS 24-Stage Frequency Divider
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TPS61040: 28-V, 400-mA Switch Boost Converter in SOT-23 for LCD and White LED Applications
TPS75003: Integrated Triple Supply Power Management IC for Xilinx(R) Spartan(TM)-3 FPGAs

Product Information

Features

Low Symmetrical Output Resistance, Typically 100 at V_DD = 15V
Built-In Low-Power RC Oscillator
Oscillator Frequency Range . . . DC to 100kHz
External Clock (Applied to Pin 3) can be Used Instead of Oscillator
Operates as 2^N Frequency Divider or as a Single-Transition Timer
Q/Q\ Select Provides Output Logic Level Flexibility
AUTO or MASTER RESET Disables Oscillator During Reset to Reduce Power Dissipation
Operates With Very Slow Clock Rise and Fall Times
Capable of Driving Six Low Power TTL Loads, Three Low-Power Schottky Loads, or Six HTL Loads Over the Rated Temperature Range
Symmetrical Output Characteristics
100% Tested for Quiescent Current at 20V
5V, 10V, and 15V Parametric Ratings
Meets All Requirements of JEDEC Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices"

Data sheet acquired from Harris Semiconductor

Description

CD4541B programmable timer consists of a 16-stage binary counter, an oscillator that is controlled by external R-C components (2 resistors and a capacitor), an automatic power-on reset circuit, and output control logic. The counter increments on positive-edge clock transitions and can also be reset via the MASTER RESET input.

The output from this timer is the Q or Q\ output from the 8th, 10th, 13th, or 16th counter stage. The desired stage is chosen using time-select inputs A and B (see Frequency Select Table).

The output is available in either of two modes selectable via the MODE input, pin 10 (see Truth Table). When this MODE input is a logic "1", the output will be a continuous square wave having a frequency equal to the oscillator frequency divided by 2^N. With the MODE input set to logic "0" and after a MASTER RESET is initiated, the output (assuming Q output has been selected) changes from a low to a high state after 2^N-1 counts and remains in that state until another MASTER RESET pulse is applied or the MODE input is set to a logic "1".

Timing is initialized by setting the AUTO RESET input (pin 5) to logic "0" and turning power on. If pin 5 is set to logic "1", the AUTO RESET circuit is disabled and counting will not start until after a positive MASTER RESET pulse is applied and returns to a low level. The AUTO RESET consumes an appreciable amount of power and should not be used if low-power operation is desired. For reliable automatic power-on reset, V_DD should be greater than 5V.

The RC oscillator, shown in Figure 2, oscillates with a frequency determined by the RC network and is calculated using:

Where f is between 1kHz and 100kHz and R_S and 2R_TC.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools	Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Footprints	Samples
CD4541BE	ACTIVE	-55 to 125	0.24 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Contact TI Distributor or Sales Office
CD4541BEE4	ACTIVE	-55 to 125	0.24 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Contact TI Distributor or Sales Office
CD4541BM	ACTIVE	-55 to 125	0.26 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Purchase Samples
CD4541BM96	ACTIVE	-55 to 125	0.24 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Contact TI Distributor or Sales Office
CD4541BM96E4	ACTIVE	-55 to 125	0.24 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Contact TI Distributor or Sales Office
CD4541BM96G4	ACTIVE	-55 to 125	0.24 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Contact TI Distributor or Sales Office
CD4541BME4	ACTIVE	-55 to 125	0.26 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Purchase Samples
CD4541BMG4	ACTIVE	-55 to 125	0.26 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Purchase Samples
CD4541BMT	ACTIVE	-55 to 125	0.34 \| 1ku	SOIC (D) \| 14	View	250 \| SMALL T&R	Purchase Samples
CD4541BMTE4	ACTIVE	-55 to 125	0.34 \| 1ku	SOIC (D) \| 14	View	250 \| SMALL T&R	Purchase Samples
CD4541BMTG4	ACTIVE	-55 to 125	0.34 \| 1ku	SOIC (D) \| 14	View	250 \| SMALL T&R	Purchase Samples
CD4541BNSR	ACTIVE	-55 to 125	0.24 \| 1ku	SO (NS) \| 14	View	2000 \| LARGE T&R	Purchase Samples
CD4541BNSRE4	ACTIVE	-55 to 125	0.24 \| 1ku	SO (NS) \| 14	View	2000 \| LARGE T&R	Purchase Samples
CD4541BNSRG4	ACTIVE	-55 to 125	0.24 \| 1ku	SO (NS) \| 14	View	2000 \| LARGE T&R	Purchase Samples
CD4541BPW	ACTIVE	-55 to 125	0.24 \| 1ku	TSSOP (PW) \| 14	View	90 \| TUBE	Purchase Samples
CD4541BPWE4	ACTIVE	-55 to 125	0.24 \| 1ku	TSSOP (PW) \| 14	View	90 \| TUBE	Purchase Samples
CD4541BPWG4	ACTIVE	-55 to 125	0.24 \| 1ku	TSSOP (PW) \| 14	View	90 \| TUBE	Purchase Samples
CD4541BPWR	ACTIVE	-55 to 125	0.24 \| 1ku	TSSOP (PW) \| 14	View	2000 \| LARGE T&R	Purchase Samples
CD4541BPWRE4	ACTIVE	-55 to 125	0.24 \| 1ku	TSSOP (PW) \| 14	View	2000 \| LARGE T&R	Purchase Samples
CD4541BPWRG4	ACTIVE	-55 to 125	0.24 \| 1ku	TSSOP (PW) \| 14	View	2000 \| LARGE T&R	Purchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

	TI Inventory Status		Reported Distributor Inventory
CD4541BE	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	9 Weeks		Americas	Arrow	>1k
				Avnet	>1k
				DigiKey	>1k
				Mouser Electronics	23
				Newark	541
				Rochester Electronics	>1k
			Asia	WPI	125
			Europe	Abacus Polar	>1k
				Arrow Southern Europe	>1k
				Farnell	>1k
				Spoerle	>1k
CD4541BEE4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	9 Weeks		Americas	Avnet	>1k
				DigiKey	Available
				Mouser Electronics	786
			Europe	EBV Elektronik	13
CD4541BM	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	DigiKey	>1k
				Mouser Electronics	3
				Rochester Electronics	>1k
			Europe	Abacus Polar	400
			Europe	Avnet-SILICA	>1k
CD4541BM96	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		Americas	DigiKey	>1k
			Americas	Rochester Electronics	>1k
			Asia	WPI	>1k
			Europe	EBV Elektronik	>1k
			Europe	Spoerle	>1k
CD4541BM96E4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		Americas	DigiKey	Available
CD4541BM96G4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	6 Weeks		Americas	DigiKey	Available
CD4541BME4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	DigiKey	Available
CD4541BMG4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	DigiKey	Available
	8 Weeks		Europe	EBV Elektronik	400
CD4541BMT	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	DigiKey	Available
CD4541BMTE4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	DigiKey	Available
CD4541BMTG4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	DigiKey	Available
CD4541BNSR	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	Rochester Electronics	>1k
CD4541BNSRE4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		None Reported View Distributors
CD4541BNSRG4	As of 11:55 AM GMT, 03 Jul 2009		As of 11:55 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks	Americas	Mouser Electronics	>1k
CD4541BPW	As of 11:55 AM GMT, 03 Jul 2009	As of 11:55 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	Arrow	>1k
	4 Weeks	Americas	Mouser Electronics	>1k
CD4541BPWE4	As of 11:55 AM GMT, 03 Jul 2009	As of 11:55 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	None Reported View Distributors
CD4541BPWG4	As of 11:55 AM GMT, 03 Jul 2009	As of 11:55 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	None Reported View Distributors
CD4541BPWR	As of 11:55 AM GMT, 03 Jul 2009	As of 11:55 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	8 Weeks	None Reported View Distributors
CD4541BPWRE4	As of 11:55 AM GMT, 03 Jul 2009	As of 11:55 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	8 Weeks	None Reported View Distributors
CD4541BPWRG4	As of 11:55 AM GMT, 03 Jul 2009	As of 11:55 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	8 Weeks	None Reported View Distributors
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
CD4541BE	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	View	View
CD4541BEE4	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	View	View
CD4541BM	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BM96	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BM96E4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BM96G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BME4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BMG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BMT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BMTE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BMTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BNSR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BNSRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BNSRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BPW	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BPWE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BPWG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BPWR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BPWRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
CD4541BPWRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

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Datasheet

CD4541B (Rev. E) (PDF 533 KB) 5657 views
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CD4541B Status: ACTIVE

CMOS Programmable Timer - High Voltage Type (20V Rating)

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