Part Number : ZEN1020P
Function : Z80 for the Interrupt Controller
Package : DIP 28 Pin type
Maker : Zenic ( http://www.zenic.co.jp/ )
Pinouts : 
Description :
1. Z80 Programmable Interrupt Controller
2. 8 level up to support the cause of interrupt mode 2
3. interrupt mask for each interrupt source, specify the vector address is programmable
4. It can form a daisy chain
5. Maximum clock frequency 8MHz
6. Low power consumption by CMOS process adopted
7. + 5v single supply
Datasheet PDF Download :
Others datasheet of same file : ZEN1020-P