JVC XV-M50BK Service Manual page 5

1.3 HY57V161610DTC8(IC504,IC505) : 16MB SDRAM
• Block diagram
• Pin function
Pin No. Symbol
1 VCC
2,3 DQ0,1
4 VSS
5,6 DQ2,3
7 VDD
8,9 DQ4,5
10 VSS
11,12 DQ6,7
13 VCC
14 LDQM
15
WE
16
CAS
17
RAS
18
CS
19,20 A11,10
21~24 A0~3
25 VCC
26 VSS
27~32 A4~9
33 NC
34 CKE
35 CLK
36 UDQM
37 NC
38 VCC
39,40 DQ8,9
41 VSS
42,43 DQ10,11
44 VDD
45,46 DQ12,13
47 VSS
48,49 DQ14,15
50 VSS
Power supply
Data input/output
Connect to GND
Data input/output
Power supply
Data input/output
Connect to GND
Data input/output
Power supply
Lower DQ mask enable
Write enable
Column address strobe
Row address strobe
Chip enable
Address inputs
Address inputs
Power supply
Connect to GND
Address inputs
Non connect
Clock enable
System clock input
Upper DQ mask enable
Non connect
Power supply
Data input/output
Connect to GND
Data input/output
Power supply
Data input/output
Connect to GND
Data input/output
Connect to GND
Description
XV-M50BK
5