Fujitsu MB88305
The MB 88304/88305 have two interfaces: One is the processor interface; C$, LDI, and DI3-DI0, which are used for the processor to communicate with the MB 88304/5 devices.| Part No. | MB88305 |
|---|---|
| Datasheet | MB88305 Download |
| Manufacturer |  Fujitsu |
| Description | NMOS Input / Output Expander |
| Buy | Stock & Price |
FEATURES
● Four 4-bit I/O ports (16 lines)● Four Functions: parallel input, parallel output, AND output, and OR output
● AND and OR functions provide individual output capability
● Single-bit input/output: Input and output can be intermixed on each port
● High output drive
● Built-in power-on reset circuit
● CS pin for simplified input/output expansion
● Two output circuit types: Open-drain output (MB 88304) 3-state output (MB 88305)
● Easily connectable to MCUs with 8243 interface
● Single +5V power supply
● _30°C to +70°C operating temperature range
● N-channel silicon-gate E/D MOS process
● 24-pin plastic DIP (Suffix: -PI 2-171 PLASTIC DIP DIP-24P-MOl PIN ASSIGNMENT PBO" PAO" PAl' 3 PA2' PA3* 5 TOP VIEW 7 013 012 011 12 Vee PB1" PB2' PB3* PCO' PC1" PC2" PC3' P03' P02' POI' POO'
● {MB 88304: Open-drain output MB 88305: 3..tate output This device contains circuitry to protect the inputs against damage due to high static voltages or electric fields. However, it is advised that normal precautions be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit.
