Minimig Board v1.0 RAM connections

From OpenCircuits
Jump to: navigation, search

IC7 - M68AW512M RAM Bank #0 512K*16 (Asynchronous SRAM)

Pin Name Assignment Comment
1 A4 RAM_A5
2 A3 RAM_A4
3 A2 RAM_A3
4 A1 RAM_A2
5 A0 RAM_A1
6 nE nRAM_SEL0 Selection (CS)
7 DQ0 RAM_D0
8 DQ1 RAM_D1
9 DQ2 RAM_D2
10 DQ3 RAM_D3
11 Vcc
12 Vss GND
13 DQ4 RAM_D4
14 DQ5 RAM_D5
15 DQ6 RAM_D6
16 DQ7 RAM_D7
17 nW nRAM_WE Write enable
18 A18 RAM_A19
19 A17 RAM_A18
20 A16 RAM_A17
21 A15 RAM_A16
22 A14 RAM_A15
23 A13 RAM_A14
24 A12 RAM_A13
25 A11 RAM_A12
26 A10 RAM_A11
27 A9 RAM_A10
28 A8 RAM_A9
29 DQ8 RAM_D8
30 DQ9 RAM_D9
31 DQ10 RAM_D10
32 DQ11 RAM_D11
33 Vcc
34 Vss GND
35 DQ12 RAM_D12
36 DQ13 RAM_D13
37 DQ14 RAM_D14
38 DQ15 RAM_D15
39 nLB nRAM_LB Lower byte
40 nUB nRAM_UB Upper byte
41 nG nRAM_OE Output enable
42 A7 RAM_A8
43 A6 RAM_A7
44 A5 RAM_A6

IC6 - M68AW512M RAM Bank #1 512K*16 (Asynchronous SRAM)

Pin Name Assignment Comment
6 nE nRAM_SEL1
IC6/IC7 - Asynchronous static ram 512 x 16 bit (2 chips)

This chip is no longer available.

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox