Function Table Of Ic; Ic202 Rh-Ix2824Afzz: 16 Bit D-Ram (Ix2824Af); Ic402 Vhi58X2404T-1: Eeprom (58X2404T) - Sharp MD-MT831H(GL) Service Manual

MD-MT831H/W

IC202 RH-iX2824AFZZ: 16 Bit D-RAM (IX2824AF)

Terminal Name
Pin No.
1 Vcc
2 DQ1
3 DQ2
4 WE
5 RAS
6 NC
7 A10
8-11 A0-A3
12 Vcc
13 Vss
14-19 A4-A9
20 OE
21 CAS
22 DQ3
23 DQ4
24 Vss
IC202 RH-iX2824AFZZ: 16 Bit D-RAM (IX2824AF)

IC402 VHi58X2404T-1: EEPROM (58X2404T)

Terminal Name
Pin No.
1-3 A0-A2
4 VSS
5 SDA
6 SCL
7 WP
8 VCC

FUNCTION TABLE OF IC

Power supply (2.6V)
Data input/data output
Data input/data output
Write enable
Low address strobe
Not connected
Address input
Address input
Power supply (2.6V)
Ground (0V)
Address input
Output enable
Column address strobe
Data input/data output
Data input/data output
Ground (0V)
Vcc
1
DQ1
2
DQ2
3
WE
4
RAS
5
NC
6
A10
7
A0
8
A1
9
A2
10
A3
11
Vcc
12
Figure 40 BLOCK DIAGRAM OF IC
Device address
Ground
Serial data input/output
Serial clock input
Write protect
Power supply
– 40 –
Function
24 Vss
23 DQ4
DQ3
22
21 CAS
20 OE
19 A9
A8
18
A7
17
A6
16
A5
15
A4
14
Vcc
13
Function