The requested file:
https://pdf.datasheetcatalog.com/datasheets/90/176972_DS.pdf
is the data sheet for the following electronic components:

Hitachi Semiconductor

#	Part Name	Description
1	HM62256	32/768-word x 8-bit High Speed CMOS Static RAM
2	HM62256A	32/768-word x 8-bit High Speed CMOS Static RAM
3	HM62256AFP-10T	32/768-word x 8-bit High Speed CMOS Static RAM
4	HM62256AFP-12T	32/768-word x 8-bit High Speed CMOS Static RAM
5	HM62256AFP-15T	32/768-word x 8-bit High Speed CMOS Static RAM
6	HM62256AFP-8T	32/768-word x 8-bit High Speed CMOS Static RAM
7	HM62256ALFP-10SLT	32/768-word x 8-bit High Speed CMOS Static RAM
8	HM62256ALFP-10T	32/768-word x 8-bit High Speed CMOS Static RAM
9	HM62256ALFP-12SLT	32/768-word x 8-bit High Speed CMOS Static RAM
10	HM62256ALFP-12T	32/768-word x 8-bit High Speed CMOS Static RAM
11	HM62256ALFP-15SLT	32/768-word x 8-bit High Speed CMOS Static RAM
12	HM62256ALFP-15T	32/768-word x 8-bit High Speed CMOS Static RAM
13	HM62256ALFP-8SLT	32/768-word x 8-bit High Speed CMOS Static RAM
14	HM62256ALFP-8T	32/768-word x 8-bit High Speed CMOS Static RAM
15	HM62256ALP-10	32/768-word x 8-bit High Speed CMOS Static RAM
16	HM62256ALP-10SL	32/768-word x 8-bit High Speed CMOS Static RAM
17	HM62256ALP-12	32/768-word x 8-bit High Speed CMOS Static RAM
18	HM62256ALP-12SL	32/768-word x 8-bit High Speed CMOS Static RAM
19	HM62256ALP-15	32/768-word x 8-bit High Speed CMOS Static RAM
20	HM62256ALP-15SL	32/768-word x 8-bit High Speed CMOS Static RAM
21	HM62256ALP-8	32/768-word x 8-bit High Speed CMOS Static RAM
22	HM62256ALP-8SL	32/768-word x 8-bit High Speed CMOS Static RAM
23	HM62256ALR-10	32/768-word x 8-bit High Speed CMOS Static RAM
24	HM62256ALR-10SL	32/768-word x 8-bit High Speed CMOS Static RAM
25	HM62256ALR-12	32/768-word x 8-bit High Speed CMOS Static RAM
26	HM62256ALR-12SL	32/768-word x 8-bit High Speed CMOS Static RAM
27	HM62256ALR-15	32/768-word x 8-bit High Speed CMOS Static RAM
28	HM62256ALR-15SL	32/768-word x 8-bit High Speed CMOS Static RAM
29	HM62256ALR-8	32/768-word x 8-bit High Speed CMOS Static RAM
30	HM62256ALR-8SL	32/768-word x 8-bit High Speed CMOS Static RAM
31	HM62256ALSP-10	32/768-word x 8-bit High Speed CMOS Static RAM
32	HM62256ALSP-10SL	32/768-word x 8-bit High Speed CMOS Static RAM
33	HM62256ALSP-12	32/768-word x 8-bit High Speed CMOS Static RAM
34	HM62256ALSP-12SL	32/768-word x 8-bit High Speed CMOS Static RAM
35	HM62256ALSP-15	32/768-word x 8-bit High Speed CMOS Static RAM
36	HM62256ALSP-15SL	32/768-word x 8-bit High Speed CMOS Static RAM
37	HM62256ALSP-8	32/768-word x 8-bit High Speed CMOS Static RAM
38	HM62256ALSP-8SL	32/768-word x 8-bit High Speed CMOS Static RAM
39	HM62256ALT-10	32/768-word x 8-bit High Speed CMOS Static RAM
40	HM62256ALT-10SL	32/768-word x 8-bit High Speed CMOS Static RAM
41	HM62256ALT-12	32/768-word x 8-bit High Speed CMOS Static RAM
42	HM62256ALT-12SL	32/768-word x 8-bit High Speed CMOS Static RAM
43	HM62256ALT-15	32/768-word x 8-bit High Speed CMOS Static RAM
44	HM62256ALT-15SL	32/768-word x 8-bit High Speed CMOS Static RAM
45	HM62256ALT-8	32/768-word x 8-bit High Speed CMOS Static RAM
46	HM62256ALT-8SL	32/768-word x 8-bit High Speed CMOS Static RAM
47	HM62256AP-10	32/768-word x 8-bit High Speed CMOS Static RAM
48	HM62256AP-12	32/768-word x 8-bit High Speed CMOS Static RAM
49	HM62256AP-15	32/768-word x 8-bit High Speed CMOS Static RAM
50	HM62256AP-8	32/768-word x 8-bit High Speed CMOS Static RAM
51	HM62256ASP-10	32/768-word x 8-bit High Speed CMOS Static RAM
52	HM62256ASP-12	32/768-word x 8-bit High Speed CMOS Static RAM
53	HM62256ASP-15	32/768-word x 8-bit High Speed CMOS Static RAM
54	HM62256ASP-8	32/768-word x 8-bit High Speed CMOS Static RAM

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