Casio TE-2400 - Mx23 C1610 Mc10 Gsa01 (Ic18); S-80123 Bnmc-Jgit2 G (Ic42)

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4. MX23C1610MC10GSA01 (IC18)
5. S-80123BNMC-JGIT2G (IC42)
54
123
1
2
GND
3
Not used
4
5
VSS
NC
VDD
OUT
INPUT POWER SUPPLY
OUTPUT POWER SUPPLY DETECTOR
DS
PIN NO.
Function
PIN NAME
VDD
VSS
VREF
OUT
DS
*1
*1; Parasitic diode
*1
Delay time ON/OFF switch PIN
Delay circuit
Oscillation circuit
counter
timer
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
VSS
OE
D0
D8
D1
D9
D2
D10
D3
D11
NC
A19
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE
VSS
D15/A-1
D7
D14
D6
D13
D5
D12
D4
VCC
MX23C1610
MODE SELECTION
CE OE Byte D15/A-1
D0~D7 D8~D15Mode Po
wer
HX X X
High Z High Z -
Stand-by
LHX X
High Z High Z -
Active
L L H Output
D0~D7 D8~D15 Word
Active
L L L Input
D0~D7 High Z Byte
Active
BLOCK DIAGRAM
Address
Buff
er
Memory
Arra
y
Page
Buff
er
Page
Decoder
Word/
Byte
Output
Buffer
D0
D15/(D7)
A0(A-1)
A19
CE
BYTE
OE