Chapter 2 Function Block
D-F/F with RB, SB, Hold
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
OUT
MIN.
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
(HH) 0.416
(HL) 0.435
(HH) 0.627
(HL) 0.584
0.179
(LH) 0.376
(LH) 0.387
0.657
0.702
1.044
0.940
0.275
0.749
0.793
0.440
1.240
1.315
2.059
1.769
0.466
1.465
1.545
0.748
1.720
1.850
0.000
0.000
0.000
0.530
1.100
0.440
2.440
1.775
1.902
1.239
1.311
0.466
1.331
1.720
1.850
0.000
0.000
0.000
0.530
1.100
0.440
1.693
0.756
1.672
1.152
0.964
1.812
0.954
1.760
1.890
0.000
0.000
0.000
0.560
1.020
0.400
1.533
2.113
1.293
0.015
0.013
0.015
0.013
0.013
0.016
0.015
0.013
0.022
0.017
0.022
0.018
0.017
0.023
0.022
0.019
D
C
RB
SB
H
1.0
1.0
2.4
2.1
1.0
Q
34
31
F647H
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
F647H
12
F647HQ
11
F647HB
11
x1
x2
x4
(LL)
RB
RB
SB
SB
→
→
→
→
Q
QB
Q
(LL)
0.223
0.710
0.730
0.250
0.240
0.170
0.420
0.700
0.390
0.801
0.660
0.717
QB
Logic Diagram for "Normal"
Truth Table for "Normal"
Set up time
Set up time
Hold time
Hold time
Release time
Release time
Removal time
Removal time
Min Pulse
D
H
D
H
RB
SB
RB
SB
C
SB
D
C
RB
SB
H
Q
QB
H04
0
1
1
1
1
1
0
1
0
1
1
1
1
1
0
0
0
0
0
1
X
X
X
0
1
1
0
Hold
Hold
1
D
C
H
H01
H02
H05
N01
Q
X
X
X
X
X
X
X
X
X
Min Pulse
Min Pulse
RB
SB
0
1
0
N02 QB
0
(HH) 0.414
(HL) 0.433
0.178
(LH) 0.386
0.710
0.655
0.700
0.275
0.683
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
C
RB
SB
H
1.0
1.0
2.3
2.2
1.0
Q
34
F647HQ
C
→
Q
0
← Prohibition
H03
RB
(LL)
RB
SB
→
→
Q
Q
X:Irrelevant
Set up time
Set up time
Hold time
D
H
D
H
RB
SB
RB
SB
C
Logic Diagram for "Q output"
0.730
0.250
0.240
0.170
0.420
0.700
0.390
0.607
0.353
0.627
Truth Table for "Q output"
Hold time
SB
D
C
RB
SB
H
Q
H04
Release time
Release time
Removal time
Removal time
Min Pulse
0
1
1
1
1
1
0
1
0
1
1
1
1
1
0
0
0
0
0
1
D
C
H
H01
H02
H05
N01 Q
X
X
X
X
X
0
Hold
Hold
0
X
X
X
X
1
Min Pulse
Min Pulse
RB
SB
X
X
X
(HH) 0.383
(HL) 0.350
(LH) 0.416
0.613
0.550
0.892
0.516
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
C
RB
SB
H
1.0
1.0
2.3
2.2
1.0
QB
31
F647HB
C
→
QB
1
0
← Prohibition
RB
SB
→
→
QB
QB
(LL)
0.302
0.730
0.740
0.250
0.240
0.140
0.430
0.660
0.380
0.558
0.713
0.536
H03
RB
X:Irrelevant
Set up time
Set up time
Hold time
Hold time
Release time
Release time
Removal time
Removal time
Min Pulse
D
H
D
H
RB
SB
RB
SB
C
Logic Diagram for "QB output"
Truth Table for "QB output"
SB
D
C
RB
SB
H
QB
H04
0
1
1
1
1
1
0
1
0
1
1
1
1
1
0
0
0
0
1
0
D
C
H
H01
H02
H05
X
X
X
X
X
0
Hold
Hold
1
Min Pulse
Min Pulse
RB
SB
X
X
X
X
1
X
X
X
N01 QB
0
0
← Prohibition
H03
RB
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 314
Block Library A13872EJ5V0BL
2 - 315
ETC [ ETC ]
