Casio TE-3000S Service Manual page 66

18. SN74LV373APWR (IC33)
Output
1
Control
1Q 2
Q Q
OE OE
G D G D
1D 3
2Q 4
D D
G G
OE OE
Q Q
2D 5
3Q 6
Q Q
OE OE
G D G D
3D 7
4Q 8
D D
G G
OE OE
Q Q
4D 9
GND 10
19. SN74LVC08APWR (IC27)
1A 1
2
1B
3
1Y
2A 4
2B 5
6
2Y
7
GND
21. XC6201P332MR (IC25)
5 4
1 2 3
PIN NO. PIN NAME
1 INPUT POWER SUPPLY
VIN
2 GND
VSS
3
NC Not used
4
NC Not used
5
VOUT OUTPUT PIN
20 Vcc
1Q
19 8D
18 8Q
17 7D
16 7Q
Q
D G
15 6D
14 6Q
13 5D
Output 1D
12 5Q
Control
Enable
11
G
14 V
CC
13
4B
12
4A
11 4Y
10 3B
9 3A
8 3Y
Function
— 64 —
2Q 3Q 4Q 5Q
Q Q Q
D G D G D G D G
2D 3D 4D 5D
20. SN74LVC244APWR (IC35, 36)
1
1G
1A1 2
2Y4 3
1A2 4
2Y3 5
1A3
6
2Y2 7
1A4 8
2Y1 9
GND 10
CMOS structure:
Input/output potential difference: 100mA: 0.16V
Output current:
High precision:
Output voltage range:
6Q 7Q 8Q
Q Q Q Q
D G D G D G
6D 7D 8D Enable
G
20 V
CC
19
2G
18 1Y1
2A4
17
16 1Y2
15 2A3
14
1Y3
13 2A2
12
1Y4
11
2A1
Low consumption current
200mA: 0.40V
250mA (VOUT = 5.0V, TYP)
± 2%
1.3 ~ 6.0V