Product Information

HEF4521BT,653

Product Image X-ON

Datasheet
Multipliers / Dividers 24-STAGE FREQUENCY DIVIDER
Manufacturer: NXP



Price (Ex GST)

From 0.4159

6 - Global Stock
Ships to you between
Fri. 06 Aug to Thu. 12 Aug
MOQ: 1 Multiples:1
Pack Size :   1
Availability Price Quantity
6 - Global Stock


Ships to you between Fri. 06 Aug to Thu. 12 Aug

MOQ : 1
Multiples : 1
1 : $ 0.4159

2502 - Global Stock


Ships to you between Thu. 12 Aug to Mon. 16 Aug

MOQ : 1
Multiples : 1
1 : $ 3.3699
10 : $ 1.6432
100 : $ 0.9173
250 : $ 0.8515
500 : $ 0.7249
1000 : $ 0.5589
2500 : $ 0.5441
5000 : $ 0.4948
10000 : $ 0.48

     
Manufacturer
NXP
Product Category
Multipliers/Dividers
RoHS - XON
Y Icon ROHS
Product
Divider
Logic Family
Cmos
Operating Supply Voltage
3 V To 15 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
Smd/Smt
Package / Case
SO - 16
Packaging
Reel
Brand
Nxp Semiconductors
Factory Pack Quantity :
2500
Cnhts
8542319000
Hts Code
8542310001
Mxhts
85423199
Product Type
Multipliers / Dividers
Subcategory
Logic Ics
Taric
8542319000
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HEF4521B 24-stage frequency divider and oscillator Rev. 7 30 March 2016 Product data sheet 1. General description The HEF4521B consists of a chain of 24 toggle flip-flops with an overriding asynchronous master reset input (MR), and an input circuit that allows three modes of operation. The single inverting stage (A2 to Y2) functions as: a crystal oscillator, an input buffer for an external oscillator or in combination with A1 as an RC oscillator. The crystal oscillator operates in Low-power mode when pins V and V are supplied via external resistors. SS1 DD1 Each flip-flop divides the frequency of the previous flip-flop by two, consequently the 24 HEF4521B counts up to 2 = 16777216. The counting advances on the HIGH-to-LOW 18 24 transition of the clock (A2). The outputs from each of the last seven stages (2 to 2 ) are available for additional flexibility. 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 Low power crystal oscillator operation 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. Ordering information Table 1. Ordering information All types operate from 40 C to +85 C. Type number Package Name Description Version HEF4521BT SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1HEF4521B Nexperia 24-stage frequency divider and oscillator 4. Functional diagram     9 < $ $   WR67$*(6 & ' 9   67$*WR(6   & '  67$*(6WR  & ' 44 4 4 4 44 <        Fig 1. Functional diagram 9 9 $ ))VWR F RJLR O W 9 9 < DHD Fig 2. Schematic diagram of clock input circuitry HEF4521B All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2017. All rights reserved Product data sheet Rev. 7 30 March 2016 2 of 17 66 66 '' '' DDH &3 4 &3 66 4 &3 '' 05

Tariff Concession Code
Tariff Desc

Free
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

NXP may also be referenced as

FR9
Freescale
Freescale Semiconductor - NXP
Nexperia
NEXPERIA USA INC
Nexperia USA Inc.
NXP Freescale
NXP (FREESCALE)
NXP / Freescale
NXP SEMI
NXP Semicon
NXP SEMICONDUCTOR
NXP Semiconductors
NXP USA Inc.
PH3
PHI