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UX-Z7MDR
(No.22042)1-47
4.5 XC62HR3502P-X (IC291) : Regulator
• Pin layout
• Block diagram
• Pin function
4.6 GM71VS17400CLT5 (IC390,IC790) : DRAM
• Pin layout
• Pin function
1
2
3
5
4
Current
Limit
Output
Control
Voltage
Reference
VIN
CE
VOUT
VSS
Pin No.
Symbol
Function
1
VSS
Ground
2
VIN
Supply voltage input
3
CE
Chip enable
4
NC
Non connect
5
VOUT
Regulated output voltage
Vcc 1
I/O1 2
I/O2 3
WE 4
RAS 5
A11 6
A10 8
A0 9
A1 10
A2 11
A3 12
Vcc 13
26 Vss
25 I/O4
24 I/O3
23 CAS
22 OE
21 A9
19 A8
18 A7
17 A6
16 A5
15 A4
14 Vss
Pin No.
Symbol
Function
1
Vcc
Power supply (+3.3V)
2
I/O1
Date input/output
3
I/O2
Date input/output
4
WE
Read/write enable
5
RAS
Addres stroke
6
A11
Addres input
7
-
Not use
8
A10
Address input
9~12
A0~A3
Address input
13
Vcc
Power supply (+3.3V)
14
Vss
GND
15~19
A4~A8
Addres input
20
-
Not use
21
A9
Address input
22
OE
Output enable
23
CAS
Calum address stroke
24
I/O3
Date input/output
25
I/O4
Date input/output
26
Vss
GND