| SN54LS22 |  | Motorola | DUAL 4-INPUT NAND GATE | Original | PDF | 123.68KB | 4 | 
| SN54LS22 |  | Texas Instruments | DUAL 4 INPUT POSITIVE NAND GATES WITH OPEN COLLECTOR OUTPUTS | Original | PDF | 253.99KB | 7 | 
| SN54LS221 |  | Motorola | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 196.92KB | 7 | 
| SN54LS221 |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 262.15KB | 12 | 
| SN54LS221 |  | Texas Instruments | Dual Monostable Multivibrators With Schmitt-trigger Inputs | Original | PDF | 210.12KB | 14 | 
| SN54LS221FK |  | Texas Instruments | SN54LS221 - IC LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CQCC20, CERAMIC, LCC-20, Prescaler/Multivibrator | Original | PDF | 1MB | 27 | 
| SN54LS221FK |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 210.1KB | 14 | 
| SN54LS221J |  | Motorola | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 196.92KB | 7 | 
| SN54LS221J |  | Texas Instruments | SN54LS221 - Dual Monostable Multivibrators With Schmitt-trigger Inputs 16-CDIP -55 to 125 | Original | PDF | 1MB | 27 | 
| SN54LS221J |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 210.1KB | 14 | 
| SN54LS221J |  | Texas Instruments | Dual Monostable Multivibrators With Schmitt-trigger Inputs 16-CDIP -55 to 125 | Original | PDF | 915.06KB | 26 | 
| SN54LS221J |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 256.06KB | 12 | 
| SN54LS221J |  | Unknown | TTL Data Book 1980 | Scan | PDF | 66.58KB | 1 | 
| SN54LS221J |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 41KB | 1 | 
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| SN54LS221J |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 41KB | 1 | 
| SN54LS221W |  | Texas Instruments | SN54LS221 - IC LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDFP16, CERAMIC, DFP-16, Prescaler/Multivibrator | Original | PDF | 1MB | 27 | 
| SN54LS221W |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 210.1KB | 14 | 
| SN54LS221W |  | Texas Instruments | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | Original | PDF | 256.06KB | 12 | 
| SN54LS221W |  | Unknown | TTL Data Book 1980 | Scan | PDF | 66.58KB | 1 | 
| SN54LS222A |  | Texas Instruments | 16 x 4 Synchronous FIFO Memory with 3-State Outputs | Original | PDF | 76.1KB | 5 |