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-- RFID tag, Legic, early 90s --

All Gates

Where no port names are given, the inputs are named A,B,... from left to right.

(.psd) (.psd)
1: DQ-Flip Flop w/ immediate reset

(.psd) (.psd)
2: TODO
Y = ~( TODO )

(.psd) (.psd)
3: TODO
Y = ~( TODO )

(.psd) (.psd)
FF4: Flip-Flop (TODO)
Y = ~( TODO )

(.psd) (.psd)
5: 22-AOI
Y = ~( (A&B) | (C&D) )

(.psd) (.psd)
7: Tristate Inverter
AB|Y
----
00|1
01|Z
10|Z
11|0
Y2 = ~B

(.psd) (.psd)
8: 3-NOR
Y = ~(A|B|C)

(.psd) (.psd)
10: 2-NAND
Y = ~(A&B)

(.psd) (.psd)
11: INV
Y = ~(A)

(.psd) (.psd)
12: INV
Y = ~(A)

(.psd) (.psd)
13: 2-XOR
Y = ~( A ^ B )

(.psd) (.psd)
14: set-reset switch
If Q is high[/low], only input A[/B] is active.

(.psd) (.psd)
15: MUX
Y = ~( B&~C | ~B&A )

(.psd) (.psd)
17: 222-AOI
Y = ~( ~a&d | e&f | b&c)

(.psd) (.psd)
19: 2-OAI
Y = ~( (A|B) & (C|D) )

(.psd) (.psd)
20: Tristate Inverter
ABC|Y
----
000|1
001|1
010|Z
011|Z
100|Z
101|Z
110|0
111|0

(.psd) (.psd)
27: 2-AOI
Y = ~( (A&B) | (C&D) )

(.psd) (.psd)
28: 2-NOR
Y = ~( A|B )

(.psd) (.psd)
29: 3-NAND
Y = ~(A&B&C)

(.psd) (.psd)
36: 4-NOR
Y = ~(A|B|C|D)

(.psd) (.psd)
37: TODO
Y = ~( TODO )

(.psd) (.psd)
39: 4-NAND
Y = ~(A&B&C&D)

(.psd) (.psd)
40: Tristate Inverter
ABC|Y
----
000|1
001|1
010|Z
011|Z
100|Z
101|0
110|Z
111|0
Y2 = ~Y

(.psd) (.psd)
41: Tristate Inverter
AB|Y
----
00|1
01|Z
10|0
11|Z
Y2 = ~B