Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
D-F/F (CB) with RB
Standard type
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Low Gate type
Block type
IN
CB
OUT
MIN.
(LH) 0.447
(LL) 0.376
(LH) 0.476
0.582
0.199
(LH) 0.304
0.570
TYP. MAX.
MIN.
0.012
0.010
0.012
0.010
0.010
0.012
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
0.759
0.616
0.789
0.988
0.310
0.566
1.496
1.154
1.504
1.942
0.533
1.026
1.020
0.370
0.000
1.140
2.264
1.335
1.501
1.160
0.537
1.020
0.370
0.000
1.140
1.824
0.837
0.975
1.143
1.454
1.010
0.390
0.000
1.070
1.474
1.754
0.016
0.013
0.016
0.013
0.013
0.016
0.023
0.017
0.022
0.017
0.017
0.022
D
CB
RB
1.0
1.0
2.2
Q
31
31
F665
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
CB
→
QB
Low Power
(LL)
(LL)
F665
9
F665NQ
8
F665NB
8
x1
x2
x4
RB
RB
→
→
Q
QB
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
RB
RB
CB
RB
0.360
Logic Diagram for "Normal"
Truth Table for "Normal"
0.180
0.670
0.789
0.546
D
CB
RB
Q
QB
D
H01
N01
Q
Min Pulse
(LH) 0.449
0.761
0.618
0.313
0.012
0.010
0.010
0.016
0.013
0.013
0.023
0.017
0.017
D
CB
RB
1.0
1.0
2.3
Q
31
F665NQ
CB
→
Q
Q
0
1
1
1
1
0
0
1
1
0
(LL)
(LL)
0.377
0.199
0.570
0.360
0.180
0.670
0.656
0.384
RB
→
X
X
Hold
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
RB
RB
CB
RB
CB H02
N02 QB
X
0
1
X:Irrelevant
H03
RB
Min Pulse
(LH) 0.317
(LL) 0.358
(LH) 0.325
0.580
0.518
0.601
0.754
0.012
0.011
0.012
0.016
0.014
0.016
0.023
0.020
0.023
D
CB
RB
1.0
1.0
2.3
QB
31
F665NB
CB
→
QB
QB
RB
→
Logic Diagram for "Q output"
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
RB
RB
CB
RB
Truth Table for "Q output"
0.370
0.170
0.630
0.575
0.633
D
CB
RB
Q
D
H01
N01
Q
0
1
1
1
1
0
0
1
Min Pulse
X
X
Hold
0
CB H02
X
X:Irrelevant
H03
RB
Logic Diagram for "QB output"
Truth Table for "QB output"
D
CB
RB
QB
D
H01
0
1
1
1
1
0
1
0
X
X
Hold
1
CB H02
N01 QB
X
X:Irrelevant
H03
RB
Block Library A13872EJ5V0BL
2 - 280
Block Library A13872EJ5V0BL
2 - 281
ETC [ ETC ]
