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HCF40175BE, HCF4017B, HCF4017BP

Table of contents:
Info of HCF40175BE
Info of HCF4017B
Info of HCF4017BP

HCF40175BE, HCF4017B, HCF4017BP Selling Leads, Datasheet

MFG:ST Package Cooled:DIP-16 D/C:91

HCF40175BE, HCF4017B, HCF4017BP Datasheet download

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Part Number: HCF40175BE

MFG: ST

Package Cooled: DIP-16

D/C: 91

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HCF4017B General Description

The HCC4017B/4022B (extended temperature range) and HCF4017B/4022B (intermediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ceramic package and plastic micro package.

The HCC/HCF4017B and HCC/HCF4022B are 5- stage and 4-stage Johnson counters having 10 and 8 decoded outputs, respectively. Inputs include a CLOCK, a RESET, and a CLOCK INHIBIT signal. Schmitt trigger action in theCLOCKinput circuit providespulse shaping that allows unlimited clock input pulse rise and fall times. These counters are advanced one count at the positive clock signal transition if the CLOCK INHIBIT signal is low. Counter advancement via the clock line is inhibited when the CLOCKINHIBIT signal is high. Ahigh RESET signal clears the counter to its zero count. Use of the Johnson decade counter configuration permits high-speed operation, 2-input decimal-decode gating, and spike-free decoded outputs. Anti-lock gating is provided, thus assuring proper counting sequence. The decoded outputs are normally low and go high only at their respective decoded time slot. Each decoded output remains high for one full clock cycle. A CARRY-OUT signal completes one cycle every 10 clock input cycles in the HCC/HCF4017B or every 8 clock input cycles in the HCC/HCF4022B and is used to ripple-clock the succeeding device in a multi-device counting chain.

HCF4017B Maximum Ratings

Symbol	Parameter	Value	Unit
V_DD^*	Supply Voltage :HCC Types HCF Types	0.5 to + 20 0.5 to + 18	V V
V_i	Input Voltage	0.5 to V_DD + 0.5	V
I_I	DC Input Current (any one input)	± 10	mA
P_tot	Total Power Dissipation (per package) Dissipation per Output Transistor for T_op = Full Package-temperature Range	200 100	mW mW
T_op	Operating Temperature : HCC Types HCF Types	55 to + 125 40 to + 85	°C °C
T_stg	Storage Temperature	65 to + 150	°C

HCF4017B Typical Application

Divide by N Counter (N 3 10) with N Decoded Outputs.

When the Nth decoded output is reached (Nth clock pulse) the S-R flip-flop (constructed from two NOR gates of the HCC/HCF4001B) generates a reset pulse which clears the HCC/HCF4017B to its zero count. At this time, if the Nth decoded output is greater than or equal to 6, the COUT line goes high to clock the next HCC/HCF4017B counter section. The "0" decoded output also goes high at this time. Coincidence of the clock low and decoded "0" output high resets the S-R flip flop to enable the HCC/HCF4017B. If the Nth decoded output is less than 6, the COUT line will not go high and, therefore, cannot be used. In this case "0" decoded output may be used to perform the clocking function for the next counter.

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