Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
D-F/F (CB) with SB
Standard type
Q output
Name cells
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Low Gate type
Block type
IN
CB
OUT
MIN.
(LH) 0.374
(LL) 0.366
(LH) 0.518
(LL) 0.501
(LH) 0.334
TYP. MAX.
MIN.
0.011
0.010
0.011
0.010
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
QB output
Normal
Q output
QB output
0.624
0.605
0.885
0.841
0.659
0.423
1.189
1.145
1.774
1.598
1.230
0.712
1.310
0.390
0.730
0.430
2.107
1.574
1.187
1.147
1.048
1.310
0.390
0.730
0.430
1.509
1.372
1.022
1.061
0.929
1.300
0.390
0.710
0.410
1.391
1.267
0.015
0.013
0.015
0.013
0.015
0.013
0.021
0.017
0.021
0.017
0.021
0.018
D
CB
SB
1.0
1.0
2.2
Q
35
34
F666
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
QB
CB
→
QB
Low Power
F666
9
F666NQ
8
F666NB
8
x1
x2
x4
SB
SB
→
→
Q
QB
(LL)
0.212
0.610
0.380
0.420
0.400
0.724
0.671
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
SB
SB
CB
SB
Logic Diagram for "Normal"
Truth Table for "Normal"
SB
D
CB
SB
Q
QB
H03
Min Pulse
(LH) 0.373
(LL) 0.366
(LH) 0.312
0.610
0.623
0.604
0.558
0.011
0.010
0.011
0.015
0.013
0.015
0.021
0.017
0.021
D
CB
SB
1.0
1.0
2.2
Q
35
F666NQ
CB
→
Q
Q
0
1
1
1
1
0
0
1
1
0
D
H01
N01
Q
SB
→
X
X
Hold
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
SB
SB
CB
SB
0.380
X
1
0
0.420
0.400
0.574
0.536
CB H02
N02 QB
X:Irrelevant
Min Pulse
(LH) 0.323
0.532
0.558
0.502
0.011
0.011
0.010
0.016
0.014
0.014
0.023
0.020
0.019
D
CB
SB
1.0
1.0
2.2
QB
32
F666NB
CB
→
QB
QB
(LL)
(LL)
0.333
0.279
0.620
0.390
0.430
0.380
0.545
0.520
SB
→
Logic Diagram for "Q output"
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
SB
SB
CB
SB
Truth Table for "Q output"
SB
D
CB
SB
Q
H03
0
1
1
1
1
0
0
1
Min Pulse
D
H01
N01
Q
X
X
Hold
1
X
X:Irrelevant
CB H02
Logic Diagram for "QB output"
Truth Table for "QB output"
SB
D
CB
SB
QB
H03
0
1
1
1
1
0
1
0
D
H01
X
X
Hold
0
X
CB H02
N01 QB
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 282
Block Library A13872EJ5V0BL
2 - 283