Onkyo DV-SP301, Service Manual

Page: 36 / 56

IC31: HY57V641620HGT-H CMOS SYNCHRRONOUS DRAM
1 VDD POWER SUPPLY -
2 DQ0 MULTIPLEXED DATA INPUT/OUTPUT I/O
3 VDDQ DATA OUTPUT POWER -
4 DQ1 MULTIPLEXED DATA INPUT/OUTPUT I/O
5 DQ2 MULTIPLEXED DATA INPUT/OUTPUT I/O
6 VSSQ DIGITAL GROUND SUPPLY -
7 DQ3 MULTIPLEXED DATA INPUT/OUTPUT I/O
8 DQ4 MULTIPLEXED DATA INPUT/OUTPUT I/O
9 VDDQ DATA OUTPUT POWER -
10 DQ5 MULTIPLEXED DATA INPUT/OUTPUT I/O
11 DQ6 MULTIPLEXED DATA INPUT/OUTPUT I/O
12 VSSQ DATA OUTPUT GROUND O
13 DQ7 MULTIPLEXED DATA INPUT/OUTPUT I/O
14 VDD POWER SUPPLY -
15 LDQM DATA INPUT/OUTPUT MASK I/O
16 /WE WRITE ENABLE I
17 /CAS COLUMN ADDRESS STROBE I
18 /RAS ROW ADDRESS STROBE I
19 /CS CHIP SELECT I/O
20 A13(BA0) BANK ADDRESS I/O
21 A12(BA1) BANK ADDRESS I/O
22 A10(AP) ADDRESS I/O
23 A0 ADDRESS I/O
24 A1 ADDRESS I/O
25 A2 ADDRESS I/O
26 A3 ADDRESS I/O
27 VDD POWER SUPPLY -
28 VSS GROUND I/O
29 A4 ADDRESS I/O
30 A5 ADDRESS I/O
31 A6 ADDRESS I/O
32 A7 ADDRESS I/O
33 A8 ADDRESS I/O
34 A9 ADDRESS I/O
35 A11 ADDRESS I/O
36 NC NO CONNECTION -
37 CKE CLOCK ENABLE I
38 CLK CLOCK I
39 UDQM DATA INPUT/OUTPUT MASK I/O
40 NC NO CONNECTION -
41 VSS GROUND -
42 DQ8 MULTIPLEXED DATA INPUT/OUTPUT I/O
43 VDDQ DATA OUTPUT POWER -
44 DQ9 MULTIPLEXED DATA INPUT/OUTPUT I/O
45 DQ10 MULTIPLEXED DATA INPUT/OUTPUT I/O
46 VSSQ DATA OUTPUT GROUND -
47 DQ11 MULTIPLEXED DATA INPUT/OUTPUT I/O
48 DQ12 MULTIPLEXED DATA INPUT/OUTPUT I/O
49 ADDQ DATA OUTPUT POWER -
50 DQ13 MULTIPLEXED DATA INPUT/OUTPUT I/O
51 DQ14 MULTIPLEXED DATA INPUT/OUTPUT I/O
52 VSSQ DATA OUTPUT GROUND -
53 DQ5 MULTIPLEXED DATA INPUT/OUTPUT I/O
54 VSS GROUND -
PIN NAME MAIN FUNCTION
PIN
NUMBER
I/O
DV-SP301
IC TERMINAL DESCRIPTION