The requested file:
https://pdf.datasheetcatalog.com/datasheets2/12/1283816_1.pdf
is the data sheet for the following electronic components:

Macronix International

#	Part Name	Description
1	MX26L6420MC-12	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
2	MX26L6420MC-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
3	MX26L6420MI-12	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
4	MX26L6420MI-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
5	MX26L6420TC-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
6	MX26L6420TI-12	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
7	MX26L6420TI-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
8	MX26L6420XAC-12	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
9	MX26L6420XAC-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
10	MX26L6420XAI-12	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
11	MX26L6420XAI-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
12	MX26L6420XBC-12	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
13	MX26L6420XBC-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
14	MX26L6420XBI-12	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM
15	MX26L6420XBI-90	64M-BIT [4M x 16] CMOS MULTIPLE-TIME-PROGRAMMABLE EPROM

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