| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| ATS640JCB | True zero-speed,self-calubrating,differetial hall-effect gear-tooth sensor for two-wire application | Allegro-MicroSystems-Inc- | - | 4 | -40°C | 115°C | 96 K |
| DM74AS640N | Octal 3-STATE Octal Bus Transceiver | Fairchild-Semiconductor | MDIP | 20 | - | - | 52 K |
| DM74AS640WMX | Octal 3-STATE Octal Bus Transceiver | Fairchild-Semiconductor | SOIC | 20 | - | - | 52 K |
| K4S640432D-TC/L75 | 4M x 4bit x 4 banks synchronous DRAM LVTTL. 64 Mbit SDRAM. Max freq. 133 MHz (CL=3), interface LVTTL. | Samsung-Electronic | TSOP (II) | 54 | 0°C | 70°C | 128 K |
| SN54LS640J | Octal bus transceiver | Motorola | DIP | 20 | -55°C | 125°C | 118 K |
| SN54LS640J | Octal bus transceiver | Motorola | DIP | 20 | -55°C | 125°C | 118 K |
| SN74LS640DW | Octal bus transceiver | Motorola | SOIC | 20 | 0°C | 70°C | 118 K |
| SN74LS640N | Octal bus transceiver | Motorola | PDIP | 20 | 0°C | 70°C | 118 K |
| STR-S6401 | Off-line switching regulator | Allegro-MicroSystems-Inc- | SIP | 9 | -20°C | 125°C | 116 K |
| STR-S6401F | Off-line switching regulator | Allegro-MicroSystems-Inc- | SIP | 9 | -20°C | 125°C | 116 K |
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