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The 74HC/HCT283 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT283 add two 4-bit binary words (An plus Bn) plus the incoming carry. The binary sum appears on the sum outputs (∑1 to ∑4) and the out-going carry (COUT) according to the equat.
• High-speed 4-bit binary addition
• Cascadable in 4-bit increments
• Fast internal look-ahead carry
• Output capability: standard
• ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT283 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT283 add two 4-bit binary words (An plus Bn) plus the incoming carry. The binary sum appears on the sum outputs (∑1 to ∑4) and the out-going carry (COUT) according to the equation:
74HC/HCT283
CIN + (A1 + B1) + 2(A2 + B2) + +4(A3 + B3) + 8(A4 +.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | 74HCT280 |
Philips |
9-bit odd/even parity generator/checker |
|
| 2 | 74HCT280 |
nexperia |
9-bit odd/even parity generator/checker |
|
| 3 | 74HCT280D |
nexperia |
9-bit odd/even parity generator/checker |
|
| 4 | 74HCT20 |
Philips |
Dual 4-input NAND gate |
|
| 5 | 74HCT20 |
nexperia |
Dual 4-input NAND gate |
|
| 6 | 74HCT20-Q100 |
nexperia |
Dual 4-input NAND gate |
|
| 7 | 74HCT20D |
nexperia |
Dual 4-input NAND gate |
|
| 8 | 74HCT20DB |
nexperia |
Dual 4-input NAND gate |
|
| 9 | 74HCT21 |
Philips |
Dual 4-input AND gate |
|
| 10 | 74HCT221 |
Philips |
Dual non-retriggerable monostable multivibrator |
|
| 11 | 74HCT221 |
nexperia |
Dual non-retriggerable monostable multivibrator |
|
| 12 | 74HCT237 |
Philips |
3-to-8 line decoder/demultiplexer |
|