Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
The CDP1871A is a keyboard encoder designed to directly interface between a CDP1800-series microprocessor and a mechanical keyboard array, providing up to 53 ASCII coded keys and 32 HEX coded keys, as shown in the system diagram (Figure 1). The keyboard may consist of simple single-pole single-throw (SPST) mechanical switches. Inputs are provided for alpha-l.
• Directly Interfaces with CDP1800-Series Microprocessor
• Low Power Dissipation
• Three-State Outputs
• Scans and Generates Code for 53 Key ASCII Keyboard Plus 32 HEX Keys (SPST Mechanical Contact Switches)
• Shift, Control, and Alpha Lock Input
• RC-Controlled Debounce Circuitry
• Single Supply 4V to 10.5V . . . . . . . . . . . . . (CDP1871A) 4V to 6.5V . . . . . . . . . . . . . (CDP1871AC)
• N-Key Lockout
Ordering Information
PACKAGE PDIP PLCC SBDIP Burn-In TEMP. RANGE 5V 10V PKG. NO.
-40oC to +85oC CDP1871ACE -40oC to +85oC CDP1871ACQ -40oC to +85oC CDP1871ACD CDP1871ACDX
CDP1871AE E40..
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | CDP1870C |
ETC |
(CDP1869C - CDP1876C) Video Interface System |
|
| 2 | CDP1871A |
GE |
CMOS Keyboard Encoder |
|
| 3 | CDP1871A |
Intersil Corporation |
CMOS Keyboard Encoder |
|
| 4 | CDP1871AC |
GE |
CMOS Keyboard Encoder |
|
| 5 | CDP1871AC |
Intersil Corporation |
CMOS Keyboard Encoder |
|
| 6 | CDP1872 |
Intersil Corporation |
High-Speed 8-Bit Input and Output Ports |
|
| 7 | CDP1872C |
GE |
High-Speed 8-Bit Input and Output Ports |
|
| 8 | CDP1872C |
Intersil Corporation |
High-Speed 8-Bit Input and Output Ports |
|
| 9 | CDP1874C |
GE |
High-Speed 8-Bit Input and Output Ports |
|
| 10 | CDP1874C |
Intersil Corporation |
High-Speed 8-Bit Input and Output Ports |
|
| 11 | CDP1875C |
GE |
High-Speed 8-Bit Input and Output Ports |
|
| 12 | CDP1875C |
Intersil Corporation |
High-Speed 8-Bit Input and Output Ports |
|