Datasheets

In this chapter are the datasheets for the various devices used for the computer.

74HC00 Quadruple 2-Input NAND Gate.

SST39SF010A 1-Mbit Multi-Purpose Flash. The correct pinout is the PDIP version on page 3. This datasheet contains information for three variations of the flash chip; we are using the smallest size, so pin 1 and pin 30 are both NC.

AS6C62256 32K x 8 bit SRAM

W65C22 The pinout is all the way down on page 28.

HD44780U (LCD Display Driver) The table of commands is on pages 23-25. Table 11 on page 40 also has an interesting sequence of example commands that may be useful.

W65C51N ACIA The pinout is on page 6.