Chapter 2 Function Block
D-F/F (CB) with RB, SB
Chapter 2 Function Block
Switching speed
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Standard type
Low Gate type
Block type
IN
CB
OUT
MIN.
(LH) 0.426
(LL) 0.375
(LH) 0.524
0.553
0.178
(LH) 0.331
(LH) 0.385
TYP. MAX.
MIN.
0.011
0.010
0.011
0.010
0.010
0.011
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
0.723
0.615
0.890
0.943
0.275
0.680
0.724
0.384
1.429
1.160
1.782
1.855
0.466
1.338
1.421
0.655
1.300
0.380
0.000
0.730
1.220
0.480
2.176
1.646
1.768
1.412
1.165
0.476
1.264
1.310
0.380
0.000
0.720
1.220
0.480
1.733
0.752
1.598
1.428
1.161
0.466
1.286
1.320
0.380
0.000
0.730
1.220
0.480
1.751
0.757
1.618
1.037
1.059
1.807
0.919
1.310
0.400
0.000
0.700
1.120
0.460
1.389
2.112
1.253
0.015
0.013
0.015
0.013
0.013
0.015
0.015
0.013
0.022
0.017
0.021
0.017
0.017
0.022
0.022
0.018
D
1.0
1.0
2.3
2.2
Q
34
32
F667
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
CB
RB
SB
QB
CB
→
QB
Low Power
L667
8
(LL)
(LL)
F667
10
F667NQ
9
F667NB
9
x1
x2
x4
RB
RB
SB
SB
→
→
→
→
Q
QB
Q
(LL)
0.187
0.600
0.370
0.170
0.400
0.690
0.420
0.755
0.613
0.656
QB
Logic Diagram for "Normal"
Truth Table for "Normal"
Set up time
Hold time
D
D
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
CB
RB
SB
SB
D
CB
RB
SB
Q
QB
H04
0
1
1
1
1
0
1
0
1
1
1
1
0
0
0
1
1
0
D
H01
N01
Q
X
X
X
X
Hold
Min Pulse
Min Pulse
X
X
X
0
1
0
1
0
0
(LH) 0.427
0.721
0.619
0.282
0.651
0.022
0.020
0.020
0.022
0.030
0.025
0.025
0.030
0.043
0.034
0.034
0.042
D
1.0
1.0
2.3
2.1
Q
16
34
32
L667
CB
→
Q
CB H02
N02 QB
(LL)
(LL)
0.377
0.182
(LH) 0.359
0.600
CB
RB
SB
←
Prohibition
RB
SB
→
→
Q
Q
X:Irrelevant
H03
RB
Set up time
Hold time
D
D
0.370
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
CB
RB
SB
0.170
0.400
0.690
0.420
0.629
0.356
0.607
Logic Diagram for "Q output"
Truth Table for "Q output"
SB
D
CB
RB
SB
Q
H04
Min Pulse
Min Pulse
0
1
1
1
1
0
1
0
1
1
1
1
0
0
0
1
D
H01
N01 Q
(LH) 0.425
0.722
0.614
0.276
0.654
0.011
0.010
0.010
0.011
0.015
0.013
0.013
0.015
0.022
0.017
0.017
0.022
D
1.0
1.0
2.3
2.2
Q
F667NQ
CB
→
Q
X
X
X
X
Hold
(LL)
(LL)
0.374
0.178
(LH) 0.358
0.600
CB
RB
SB
X
X
X
0
1
0
RB
SB
→
→
Q
Q
Set up time
Hold time
D
D
CB H02
←
Prohibition
0.370
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
CB
RB
SB
0.170
0.400
0.690
0.420
0.627
0.354
0.608
X:Irrelevant
H03
RB
Logic Diagram for "QB output"
Truth Table for "QB output"
Min Pulse
Min Pulse
SB
D
CB
RB
SB
QB
H04
(LH) 0.330
(LL) 0.335
(LH) 0.373
0.542
0.560
0.888
0.498
0.011
0.011
0.011
0.011
0.016
0.014
0.016
0.014
0.023
0.020
0.023
0.020
D
1.0
1.0
2.3
2.2
QB
F667NB
CB
→
QB
CB
RB
SB
0
1
1
1
1
0
1
0
1
1
1
1
0
0
1
0
RB
SB
→
→
QB
QB
D
H01
(LL)
0.275
0.610
0.380
0.160
0.410
0.640
0.410
0.547
0.713
0.520
X
X
X
X
Hold
1
Set up time
Hold time
D
D
X
X
X
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
CB
RB
SB
0
CB H02
N01 QB
0
← Prohibition
X:Irrelevant
H03
RB
Min Pulse
Min Pulse
Block Library A13872EJ5V0BL
2 - 284
Block Library A13872EJ5V0BL
2 - 285
ETC [ ETC ]
