Document
Core Logic
21%[
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Description ONBx is a family of OR-NAND circuits consisting of three 2-input OR gates into a 3-input NAND gate.
Logic Symbol
Truth Table
A
ONBx
A BCDE FQ
B L LXXXXH
C XXL LXXH D Q XXXXL LH
All other combinations
L
E
F
HDL Syntax Verilog .................... ONBx inst_name (Q, A, B, C, D, E, F); VHDL...................... inst_name: ONBx port map (Q, A, B, C, D, E, F)
Pin Loading
Pin Name
A B C D E F
ONB2 1.0 1.0 1.0 1.0 1.0 1.0
Equivalent Loads ONB4 1.0 1.0 1.0 1.0 1.0 1.0
ONB6 2.1 2.1 2.1 2.1 2.1 2.1
Size And Power Characteristics
Cell
ONB2 ONB4
Equivalent Gates
5.0 6.0
Power Characteristicsa
Static IDD (TJ = 85°C) (nA)
EQLpd (Eq-load)
TBD
10.5
TBD
11.1
ONB6
12.0
TBD
18.8
a. See page 2-15 for power equation.
3-202
®
®
Propagation Delays (ns)
Conditions: TJ = 25°C, VDD = 5.0V, Typical Process
Number of Equivalent Loads
1
4
ONB2
From: Any Input To: Q
tPLH tPHL
0.41 0.50
0.49 0.65
Number.