The requested file:
https://pdf.datasheetcatalog.com/datasheets/700/298500_DS.pdf
is the data sheet for the following electronic components:

NEC

#	Part Name	Description
1	UPD75312	4-BIT SINGLE-CHIP MICROCOMPUTER
2	UPD75312A	4-BIT SINGLE-CHIP MICROCOMPUTER
3	UPD75312GF	4-BIT SINGLE-CHIP MICROCOMPUTER
4	UPD75312GFA	4-BIT SINGLE-CHIP MICROCOMPUTER
5	UPD75316	4-BIT SINGLE-CHIP MICROCOMPUTER
6	UPD75316A	4-BIT SINGLE-CHIP MICROCOMPUTER
7	UPD75316GF	4-BIT SINGLE-CHIP MICROCOMPUTER
8	UPD75316GFA	4-BIT SINGLE-CHIP MICROCOMPUTER

Select the part name and then you can download the datasheet in PDF format.