Radio Shack PRO-197 - Page 68

IC301 M24512WMW6T
IC304, 306 NJM13403V
IC307 See "Microprocessor (IC307) Port Format" on Page 71.
IC308 NJM2871BF15
IC309 NJM2871BF18
IC303 S-80820CNNB/ANNP
IC305 NJM2903V
68
1
2
3
4
8
7
6
5
E0
E1
E2
Vss
Vcc
WC
SCL
SDA
1: Out
2: VDD
3: NC
4: Vss
4
1
3
2
1
2
3
4
5
6
7
14
13
12
11
10
9
8
A Output
A - Input
A + Input
Vcc
B +Input
B -Input
B Output
D Output
D -Input
D +Input
GND
C +Input
C -Input
C Output
+
+
1
2
3
4
A
B
A Output
A - Input
A + Input
GND
Vcc
B Output
B -Input
B +Input
8
7
6
5
1
2
3
4
5
1: Control (Active High)
2: GND
3: Noise Bypass
4: Vout
5: Vin