Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
D-F/F (CB)
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Standard type
Low Gate type
Block type
IN
CB
OUT
MIN.
(LH) 0.376
(LL) 0.354
(LH) 0.447
TYP. MAX.
MIN.
0.011
0.010
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
0.629
0.579
0.745
0.844
1.199
1.085
1.434
1.610
0.990
0.370
1.933
1.195
1.087
0.990
0.370
1.518
1.197
1.087
0.990
0.370
1.521
0.909
1.069
0.990
0.380
1.399
0.015
0.013
0.015
0.013
0.021
0.017
0.021
0.017
D
CB
1.0
1.0
Q
35
35
F661
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
CB
→
QB
Low Power
L661
6
(LL)
0.502
0.560
0.370
0.706
F661
8
F661NQ
7
F661NB
7
x1
x2
x4
Set up time
Hold time
Min Pulse
D
D
CB
(LH) 0.374
0.628
0.580
0.022
0.020
0.030
0.025
0.042
0.034
D
CB
1.0
1.0
Q
Q
17
35
34
L661
CB
→
Q
Logic Diagram for "Normal"
Truth Table for "Normal"
(LL)
0.353
0.570
0.370
0.579
Set up time
Hold time
Min Pulse
D
D
CB
D
CB
Q
QB
D
H01
N01
Q
(LH) 0.375
0.628
0.580
0.011
0.010
0.015
0.013
0.021
0.017
D
CB
1.0
1.0
F661NQ
F661NB
CB
→
Q
0
1
X
0
1
1
0
(LL)
0.353
0.560
0.370
0.580
Set up time
Hold time
Min Pulse
D
D
CB
Hold
CB H02
N02 QB
X:Irrelevant
(LH) 0.293
0.480
0.561
0.011
0.011
0.016
0.014
0.022
0.020
D
CB
1.0
1.0
QB
CB
→
QB
(LL)
0.335
0.570
0.370
0.549
Set up time
Hold time
Min Pulse
D
D
CB
Logic Diagram for "Q output"
Truth Table for "Q output"
D
CB
Q
D
H01
N01
Q
0
1
X
0
1
Hold
CB H02
X:Irrelevant
Logic Diagram for "QB output"
Truth Table for "QB output"
D
CB
QB
D
H01
0
1
X
1
0
Hold
CB H02
N01 QB
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 278
Block Library A13872EJ5V0BL
2 - 279
ETC [ ETC ]
