Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
D-F/F (CB) with 2 to 1 Selector(2 CTRL), RB
Standard type
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Low Gate type
Block type
IN
CB
OUT
MIN.
(LH) 0.464
(LL) 0.383
(LH) 0.453
0.571
0.207
(LH) 0.280
TYP. MAX.
MIN.
0.011
0.010
0.011
0.010
0.010
0.011
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
0.780
0.625
0.749
0.957
0.323
0.447
1.542
1.166
1.423
1.885
0.549
0.806
1.340
1.690
1.260
1.590
0.120
0.000
0.220
0.000
0.000
1.120
2.210
1.134
0.016
0.013
0.015
0.012
0.013
0.015
0.022
0.018
0.021
0.017
0.018
0.021
D0
D1
CB
RB
S0
S1
1.0
1.0
1.0
2.2
1.0
1.0
Q
33
35
F673
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
CB
→
QB
Low Power
(LL)
(LL)
F673
11
x1
x2
x4
RB
RB
→
→
Q
QB
Set up time
Set up time
Set up time
Set up time
Hold time
Hold time
Hold time
Hold time
D0
0.670
0.760
0.690
0.690
0.280
0.270
0.350
0.270
0.180
0.660
0.776
0.484
D1
S0
S1
D0
D1
S0
S1
RB
RB
CB
RB
Logic Diagram for "Normal"
Truth Table for "Normal"
D0
D1
S0
S1
CB
RB
Q
QB
D0 H01
D1 H02
S0 H05
S1 H06
CB H03
N01
Q
0
1
X
X
0
1
1
0
0
0
1
X
X
0
0
1
1
0
1
X
X
1
1
1
1
1
1
1
0
0
1
0
1
0
X
1
0
1
0
1
X
Release time
Removal time
Min Pulse
X
X
X
X
X
X
N02 QB
1
X
X
X
X
Min Pulse
H04
RB
Hold
X
0
1
X:Irrelevant
Logic Diagram for "Q output"
Truth Table for "Q output"
Logic Diagram for "QB output"
Truth Table for "QB output"
Block Library A13872EJ5V0BL
2 - 316
Block Library A13872EJ5V0BL
2 - 317