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Part Number: HCF4038B
Description: The HCF4038B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology ava...
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HCF4038B
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General Description
HCF4038B General Description
The HCF4038B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. The HCF4038B consists of three serial adder circuits with common CLOCK and CARRY-RESET inputs. Each adder has two provisions for two serial DATA INPUT signals and an INVERT command signal. When the command signal is a logical "1", the sum is complemented.
Data words enter the adder with the least significant bit first; the sign bit trails. The output is the MOD 2 sum of the input bits plus the carry from the previous bit position. The carry is only added at the negative going clock transition, thus,for spike-free operation the input data transitions should occur as soon as possible after the triggering edge. The CARRY is reset to a logical "0" at the end of each word by applying a logical "1" signal to a CARRY-RESET input one bit position before the application of the first bit of the next word.
HCF4038B Maximum Ratings
| Symbol | Parameter² | Value | Unit |
| VDD | Supply Voltage | -0.5 to +22 | V |
| VI | DC Input Voltage | -0.5 to VDD + 0.5 | V |
| II | DC Input Current | ± 10 | mA |
| PD | Power Dissipation per Package | 200 | mW |
| Power Dissipation per Output Transistor | 100 | mW | |
| Top | Operating Temperature | -55 to +125 | |
| Tstg | Storage Temperature | -65 to +150 |
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied.
All voltage values are referred to VSS pin voltage.
HCF4038B Features
· INVERT INPUTS ON ALL ADDERS FOR SUM COMPLEMENTING APPLICATIONS
· FULLY STATIC OPERATION...DC TO 10MHz (Typ.) at VDD = 10V
· BUFFERED INPUTS AND OUTPUTS
· SINGLE PHASE CLOCKING
· QUIESCENT CURRENT SPECIFIED UP TO 20V
· STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS
· INPUT LEAKAGE CURRENT II = 100nA (MAX) AT VDD = 18V TA = 25°C
· 100% TESTED FOR QUIESCENT CURRENT
· MEETS ALL REQUIREMENTS OF JEDEC JESD13B " STANDARD SPECIFICATIONS FOR DESCRIPTION OF B SERIES CMOS DEVICES"
HCF4038B Connection Diagram
HCF4038BC1
PDF/DataSheet Download
- Datasheet: HCF4038BC1
- File Size: 242035 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
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