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UPD8259 |
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| Part Number | UPD8259 |
| Manufacturer | NEC |
| Description | The NEC pPD8259-5 is a programmable interrupt controller directly compatible with the 8080A/8085A/pPD780(Z80™). It can service eight levels of interrupts and contains on-chip logic to expand interrup... |
| Features |
and Ceramic Packages
PIN CONFIGURATION
cs
WR RD D7 DS D5 D4 D3 D2 D1 DO CASO CAS1 GNQ
VCC AO
iNTA
IR7 IRS IR5 IR4
IR3 IR2 IR1 IRO INT
SP
CAS 2
PIN NAMES
D7 - DO RD WR
AO CAS2- CASO SP INT INTA IRO-IR7 l:§"
Data Bus (Bi-Directional) Read Input Write input Command Select Address Cascade Lines Slave Program Input Interrupt Output Interrupt Acknowledge Input Interrupt Request Inputs Chip Select
II
TM: Z80 is a registered trademark of Zilog, Inc.
625
fL PD8259-5
BLOCK DIAGRAM
PROCESSOR PROCESSOR PROCESSOR
ADDRESS CONTROL
DATA
BUS
BUS
BUS
INTERNAL
'"'
Operating Temperature .. Stq... |
| Document |
 UPD8259 Data Sheet
PDF 868.10KB |
| Distributor | Stock | Price | Buy |
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