RFID tag, Legic, early 90s

All Gates

Inputs are marked red, output green

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

Flip Flop

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

(.psd)
2: DQ-Flip Flop

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

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

AOI

(.psd)
27: 22-AOI
Y = ~( (A & B) | (C & D) )

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

(.psd)
17: 222-AOI
Y = ~( (~A & D) | (E & F) | (B & C) )

OAI

(.psd)
19: 22-OAI
Y = ~( (A | B) & (C | D) )

NAND

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

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

Inverter

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

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

Tristate Inverter

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

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

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

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

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

Switch

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

MUX

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

Latch

(.xcf)
43: Latch