Motorola 6821
The Motorola 6821 (P/N 156-0427-03,156-1205-00) is a "Peripheral Interface Adapter (PIA)" monolithic integrated circuit is an I/O port controller for the Motorola 6800 family of microprocessors.
It is an updated version of the Motorola 6820 with slightly different specs.
It was second-sourced by several other companies. The 68B21 (156-1205-00) is a 2 MHz version.
Used in
Some instruments using part Motorola 6821
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 067-1137-99 | Tektronix | Plug-in | 067-1137-99 | GPIB-to-accessory controller | 1984 |
| 4052 | Tektronix | Computer | 4052 | Graphics-capable desktop microcomputer | 1978 |
| 4052A | Tektronix | Computer | 4052A | Graphics-capable desktop microcomputer | 1983 |
| 4054 | Tektronix | Computer | 4054 | Graphics-capable desktop microcomputer | 1978 |
| 4054A | Tektronix | Computer | 4054A | Graphics-capable desktop microcomputer | 1983 |
| 7250 | Tektronix | Oscilloscope | 7250 | 6 GHz Transient Digitizer | 1986 |
| 7A16P | Tektronix | Plug-in | 7A16P | 150/200 MHz vertical amplifier | 1978 |
| 7A29P | Tektronix | Plug-in | 7A29P | 1 GHz programmable amplifier | 1988 |
| 7B90P | Tektronix | Plug-in | 7B90P | 400 MHz programmable timebase | 1978 |
| CG5001 | Tektronix | Plug-in | CG5001 | programmable calibration generator | 1983 |
| CG5010 | Tektronix | Plug-in | CG5010 | programmable calibration generator | 1990 |
| CG5011 | Tektronix | Plug-in | CG5011 | programmable calibration generator | 1990 |
| CG551AP | Tektronix | Plug-in | CG551AP | programmable calibration generator | 1980 |
| Keithley 191 | Keithley | Multimeter | 191 | 5½-digit multimeter | 1979 |
Links
- Peripheral Interface Adapter @ Wikipedia
Pictures
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