| SN7422 |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 210.1KB | 14 | 
| SN74221 |  | Texas Instruments | Dual monostable multivibrators with Schmitt-trigger inputs | Original | PDF | 210.12KB | 14 | 
| SN74221 |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 262.15KB | 12 | 
| SN74221J |  | Texas Instruments | SN74221 - IC TTL/H/L SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16, Prescaler/Multivibrator | Original | PDF | 1MB | 27 | 
| SN74221J |  | Unknown | TTL Data Book 1980 | Scan | PDF | 66.58KB | 1 | 
| SN74221N |  | Texas Instruments | Logic - Multivibrators, Integrated Circuits (ICs), IC DUAL MONOSTBL MULTIVIB 16-DIP | Original | PDF |  | 28 | 
| SN74221N |  | Texas Instruments | SN74221 - Dual monostable multivibrators with Schmitt-trigger inputs 16-PDIP 0 to 70 | Original | PDF | 1MB | 27 | 
| SN74221N |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 210.1KB | 14 | 
| SN74221N |  | Texas Instruments | Dual monostable multivibrators with Schmitt-trigger inputs 16-PDIP 0 to 70 | Original | PDF | 915.06KB | 26 | 
| SN74221N |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 256.06KB | 12 | 
| SN74221N |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 46.01KB | 1 | 
| SN74221N |  | Unknown | TTL Data Book 1980 | Scan | PDF | 66.58KB | 1 | 
| SN74221N3 |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 46.01KB | 1 | 
| SN74221NE4 |  | Texas Instruments | Logic - Multivibrators, Integrated Circuits (ICs), IC DUAL MONOSTBL MULTIVIB 16-DIP | Original | PDF |  | 28 | 
| 
 | 
| SN74221NE4 |  | Texas Instruments | SN74221 - Dual monostable multivibrators with Schmitt-trigger inputs 16-PDIP 0 to 70 | Original | PDF | 1MB | 27 | 
| SN74221NE4 |  | Texas Instruments | Dual monostable multivibrators with Schmitt-trigger inputs 16-PDIP 0 to 70 | Original | PDF | 915.06KB | 26 | 
| SN74221NE4 |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 628.35KB | 23 | 
| SN74221NG4 |  | Texas Instruments | Integrated Circuits (ICs) - Logic - Multivibrators - IC DUAL MONOSTBL MULTIVIB 16-DIP | Original | PDF | 948.47KB |  | 
| SN7422J |  | Texas Instruments | SN7422 - IC TTL/H/L SERIES, DUAL 4-INPUT NAND GATE, CDIP14, Gate | Original | PDF | 253.93KB | 7 | 
| SN7422J |  | Unknown | TTL Data Book 1980 | Scan | PDF | 60.2KB | 1 |