Product Information

HEF4518BP,652

HEF4518BP,652 electronic component of NXP

Datasheet
Counter ICs DUAL BCD COUNTER

Manufacturer: NXP
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 0.5441 ea
Line Total: USD 0.54

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0 - WHS 1


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 1
Multiples : 1
1 : USD 0.5441
5 : USD 0.5207
50 : USD 0.4504
250 : USD 0.3452
1000 : USD 0.2983

     
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Product Category
RoHS - XON
Icon ROHS
Counter Type
Logic Family
Number of Bits
Counting Method
Operating Supply Voltage
Operating Temperature Range
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HEF4518B Dual BCD counter Rev. 7 21 November 2011 Product data sheet 1. General description The HEF4518B is a dual 4-bit internally synchronous BCD counter. The counter has an active HIGH clock input (nCP0) and an active LOW clock input (nCP1), buffered outputs from all four bit positions (nQ0 to nQ3) and an active HIGH overriding asynchronous master reset input (nMR). The counter advances on either the LOW-to-HIGH transition of the nCP0 input if nCP1 is HIGH or the HIGH-to-LOW transition of the nCP1 input if nCP0 is LOW. Either nCP0 or nCP1 may be used as the clock input to the counter and the other clock input may be used as a clock enable input. A HIGH on nMR resets the counter (nQ0 to nQ3 = LOW) independent of nCP0, nCP1. Schmitt trigger action in the clock input makes the circuit highly tolerant of slower clock rise and fall times. It operates over a recommended V power supply range of 3 V to 15 V referenced to V DD SS (usually ground). Unused inputs must be connected to V , V , or another input. DD SS 2. Features and benefits Tolerant of slow clock rise and fall times Fully static operation 5 V, 10 V, and 15 V parametric ratings Standardized symmetrical output characteristics Specified from 40 C to +85 C Complies with JEDEC standard JESD 13-B 3. Applications Multistage synchronous counting Multistage asynchronous counting Frequency dividers 4. Ordering information Table 1. Ordering information All types operate from 40 C to +85 C Type number Package Name Description Version HEF4518BP DIP16 plastic dual in-line package 16 leads (300 mil) SOT38-4 HEF4518BT SO16 plastic small outline package 16 leads body width 3.9 mm SOT109-1HEF4518B NXP Semiconductors Dual BCD counter 5. Functional diagram 1Q0 3 1 1CP0 1Q1 4 2 1CP1 1Q2 5 1Q3 6 7 1MR 2Q0 11 9 2CP0 2Q1 12 10 2CP1 2Q2 13 2Q3 14 15 2MR 001aae698 Fig 1. Functional diagram Q0 Q1 Q2 Q3 Q Q Q Q FF1 FF2 FF3 FF4 CP1 T T T T Q Q Q Q C C C C D D D D CP0 MR 001aae700 Fig 2. Logic diagram for one counter HEF4518B All information provided in this document is subject to legal disclaimers. NXP B.V. 2011. All rights reserved. Product data sheet Rev. 7 21 November 2011 2 of 15

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
FR9
Freescale
FREESCALE SEMI
Freescale Semicon
FREESCALE SEMICONDUC
Freescale Semiconductor
Freescale Semiconductor - NXP
NXP
NXP Freescale
NXP (FREESCALE)
NXP / Freescale
NXP SEMI
NXP Semicon
NXP SEMICONDUCTOR
NXP Semiconductors
NXP USA Inc.
PH3
PHI

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