Chapter 2 Function Block
D-F/F (CB) with RB, SB, 2 to 1 Selector
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) 0.437
(LL) 0.382
(LH) 0.531
0.564
0.179
(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
0.736
0.622
0.898
0.956
0.275
0.680
0.724
0.384
1.446
1.171
1.793
1.872
0.466
1.338
1.422
0.656
1.830
1.830
1.960
0.070
0.070
0.000
0.000
0.720
1.220
0.490
2.196
1.646
1.768
1.445
1.172
0.466
1.286
1.830
1.830
1.970
0.070
0.070
0.000
0.000
0.720
1.220
0.490
1.771
0.757
1.617
1.051
1.077
1.807
0.919
1.820
1.820
1.950
0.080
0.080
0.000
0.000
0.690
1.120
0.470
1.411
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
D0
D1
CB
RB
SB
A
1.0
1.0
1.0
2.3
2.2
1.0
Q
34
32
F667S
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
CB
→
QB
Low Power
(LL)
(LL)
F667S
12
F667SQ
11
F667SB
11
x1
x2
x4
RB
RB
SB
SB
→
→
→
→
Q
QB
Q
(LL)
D0
D1
A
0.187
0.720
0.720
0.750
0.280
0.280
0.290
0.170
0.390
0.680
0.430
0.769
0.614
0.656
QB
Logic Diagram for "Normal"
Truth Table for "Normal"
Set up time
Set up time
Set up time
Hold time
Hold time
Hold time
Release time
Release time
Removal time
Removal time
Min Pulse
SB
D0
D1
CB
RB
SB
A
Q
QB
H05
D0
D1
A
RB
SB
RB
SB
CB
RB
SB
0
1
X
X
X
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
X
X
X
0
1
1
0
D0 H01
D1 H02
N01
Q
X
X
X
X
X
X
X
Hold
0
1
1
1
0
CB H03
X
X
X
X
Hold
A
H06
N02 QB
X
X
X
0
1
0
1
0
Min Pulse
Min Pulse
0
← Prohibition
H04
RB
(LH) 0.435
0.734
0.621
0.276
0.655
0.011
0.010
0.010
0.011
0.015
0.013
0.013
0.015
0.022
0.017
0.017
0.022
D0
D1
CB
RB
SB
A
1.0
1.0
1.0
2.3
2.2
1.0
Q
34
F667SQ
CB
→
Q
X:Irrelevant
(LL)
(LL)
0.381
0.178
(LH) 0.358
RB
SB
→
→
Q
Q
Logic Diagram for "Q output"
Truth Table for "Q output"
Set up time
Set up time
Set up time
Hold time
Hold time
Hold time
Release time
Release time
Removal time
Removal time
Min Pulse
D0
D1
A
0.720
0.720
0.750
0.280
0.280
0.290
0.170
0.390
0.690
0.430
0.641
0.354
0.608
SB
D0
D1
CB
RB
SB
A
Q
H05
0
1
X
X
X
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
X
X
X
0
1
D0
D1
A
RB
SB
RB
SB
CB
RB
SB
D0 H01
D1 H02
N01 Q
X
X
X
X
X
X
X
Hold
0
1
1
CB H03
X
X
X
X
Hold
0
A
H06
X
X
X
1
Min Pulse
Min Pulse
0
← Prohibition
H04
RB
X:Irrelevant
(LH) 0.340
(LL) 0.345
(LH) 0.374
0.552
0.572
0.887
0.499
0.011
0.011
0.011
0.011
0.016
0.014
0.016
0.014
0.023
0.020
0.023
0.020
D0
D1
CB
RB
SB
A
1.0
1.0
1.0
2.3
2.2
1.0
QB
32
F667SB
CB
→
QB
Logic Diagram for "QB output"
Truth Table for "QB output"
RB
SB
→
→
QB
QB
(LL)
D0
D1
A
0.274
0.730
0.720
0.750
0.290
0.290
0.300
0.160
0.410
0.640
0.420
0.561
0.713
0.520
Set up time
Set up time
Set up time
Hold time
Hold time
Hold time
Release time
Release time
Removal time
Removal time
Min Pulse
SB
D0
D1
CB
RB
SB
A
QB
H05
0
1
X
X
X
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
X
X
X
1
0
D0
D1
A
RB
SB
RB
SB
CB
RB
SB
D0 H01
D1 H02
X
X
X
X
X
X
X
Hold
1
1
0
CB H03
X
X
X
X
Hold
1
A
H06
N01 QB
X
X
X
0
0
← Prohibition
H04
RB
Min Pulse
Min Pulse
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 306
Block Library A13872EJ5V0BL
2 - 307
ETC [ ETC ]
