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Part Number: HCF4029B

 

 

 

 

Description: The HCC4029B (extended temperature range) and HCF4029B (intermediate temperature range) are monolith...


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HCF4029B General Description


The HCC4029B (extended temperature range) and HCF4029B (intermediate temperature range) are monolithic integrated circuit, available in 16-lead dual in-line plastic or ceramic package and plastic micro package. The HCC/HCF4029B consists of a four-stage binary or BCD-decade up/down counter with provisions for look-ahead carry in both counting modes. The inputs consist of a single CLOCK, CARRY-IN (CLOCK ENABLE) , BINARY/DECADE, UP/DOWN, PRESET ENABLE, and four individual JAM signals. Q1, Q2, Q3, Q4 and a CARRY OUT signal are provided as outputs. Ahigh PRESET ENABLE signal allows information on the JAM INPUTS to preset the counter to any state asynchronously with the clock. A low on each JAM line, when the PRESET-ENABLE signal is high, resets the counter to its zero count. The counter is advanced one count at the positive transition of the clock when the CARRY-IN and PRESET ENABLE signals, are low. Advancement is inhibited when the CARRY-IN or PRESET ENABLE signals are high. The CARRYOUT signal is normally high and goes low when the counter reaches itsmaximum count in the UPmode or the minimum count in the DOWN mode provided the CARRY-IN signal is low. The CARRY-IN signal in the low state can thus be considered a CLOCK ENABLE. The CARRY-IN terminal must be connected toVSS whennot in use. Binary counting is accomplished when the BINARY/DECADE input is high ; the counter counts in the decade mode when the BINARY/DECADE input is low. The counter counts Up when to UP/DOWN INPUT is high, and Down when the UP/DOWN INPUT is low. Multiple packages can be connected in either a parallelclocking or a ripple-clocking arrangement as shown in cascading counter packages. Parallel clocking provides synchronous control and hence faster response from all counting outputs. Ripple-clocking allows for longer clock input rise and fall times.

HCF4029B Maximum Ratings

Symbol
Rating
Value
Unit
VDD*
 Supply Voltage : HCC Types
HCF Types
0.5 to + 20
0.5 to + 18
V
V
Vi
 Input Voltage
0.5 to VDD + 0.5
V
II
 DC Input Current (any one input)
± 10
mA
Ptot
 Total Power Dissipation (per package)
Dissipation per Output Transistor
for Top = Full Package-temperature Range
200

100
mW

mW
Top
 Operating Temperature : HCC Types
HCF Types
55 to + 125
40 to + 85
°C
°C
Tstg
 Storage Temperature
65 to + 150
°C
Stressesabove those listedunder "Absolute Maximum Ratings"may cause permanent damage to thedevice. This isa stress ratingonly and functional
operation of the device at these or any other conditions above those indicated in theoperational sections of this specification is not implied. Exposure
to absolute maximum rating conditions for external periods may affect device reliability.
All voltage values are referred to VSS pin voltage.

HCF4029B Features

`MEDIUM SPEED OPERATION - 8MHz (typ.)@ CL = 50pF AND VDD-VSS = 10V
`MULTI-PACKAGE PARALLEL CLOCKINGFOR SYNCHRONOUSHIGH SPEED OUTPUT RESPONSE OR RIPPLE CLOCKING FOR SLOW CLOCK INPUT RISE AND FALL TIMES
`"PRESET ENABLE" AND INDIVIDUAL"JAM"INPUTS PROVIDED`BINARY OR DECADE UP/DOWN COUNTING
`BCD OUTPUTS IN DECADEMODE
`STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS
`5V, 10V, AND 15V PARAMETRIC RATINGS INPUT CURRENTOF 100nA AT 18V AND 25°C FOR HCC DEVICE
`QUIESCENT CURRENT SPECIFIED TO 20V FOR HCC DEVICE`100% TESTEDFOR QUIESCENT CURRENT`MEETSALLREQUIREMENTSOFJEDECTENTATIVE STANDARD No. 13A, "STANDARD SPECIFICATIONS FOR DESCRIPTION OF "B" SERIESCMOS DEVICES"

HCF4029B Connection Diagram

HCF4029B Connection Diagram

HCF4029B datasheet

HCF4029B
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  • Datasheet: HCF4029B
  • File Size: 302566 KB
  • Manufacturer: STMICROELECTRONICS [STMicroelectronics]
  • Click here to Download

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