Chapter 2 Function Block
D-F/F with R, S, 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
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) 0.379
(HL) 0.478
(HH) 0.574
(HL) 0.588
(HL) 0.415
(HH) 0.185
(HH) 0.173
(HL) 0.380
0.581
0.781
0.962
0.942
0.720
0.337
0.254
0.782
1.047
1.458
1.854
1.735
1.361
0.584
0.429
1.443
2.120
2.130
2.270
0.000
0.000
0.000
1.210
0.000
0.320
1.210
2.225
1.845
1.817
1.048
1.464
1.260
0.430
2.130
2.130
2.280
0.000
0.000
0.000
1.220
0.000
0.320
1.210
1.836
1.702
0.811
0.984
1.048
0.801
1.850
2.010
2.020
2.170
0.000
0.000
0.000
1.110
0.000
0.290
1.140
1.439
1.277
2.241
0.015
0.013
0.015
0.013
0.013
0.015
0.015
0.014
0.022
0.019
0.021
0.019
0.018
0.022
0.022
0.021
D0
D1
C
R
S
1.0
1.0
1.0
2.1
2.3
1.0
Q
35
34
F644S
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
F644S
12
F644SQ
11
F644SB
11
x1
x2
x4
R
R
S
S
→
→
→
→
Q
QB
Q
A
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
D0
D1
A
D0
D1
A
R
S
R
S
0.730
0.730
0.720
0.270
0.270
0.260
0.380
0.110
0.430
0.750
0.791
0.690
0.622
S
D0
D1
C
R
S
A
Q
QB
H05
0
1
X
X
X
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
0
1
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
C
A
H03
H06
X
X
X
X
Hold
N02 QB
C
R
S
X
X
X
1
0
1
0
1
Min Pulse
Min Pulse
1
← Prohibition
H04
R
(HH) 0.379
(HL) 0.479
(HL) 0.404
(HH) 0.173
0.581
0.783
0.667
0.254
0.011
0.010
0.010
0.011
0.015
0.013
0.013
0.015
0.022
0.019
0.019
0.022
D0
D1
C
R
S
1.0
1.0
1.0
2.1
2.3
1.0
Q
35
F644SQ
C
→
Q
X:Irrelevant
R
S
→
→
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
D0
D1
A
R
S
R
S
0.730
0.730
0.720
0.270
0.270
0.260
0.380
0.110
0.430
0.750
0.645
0.606
0.284
A
S
D0
D1
C
R
S
A
Q
H05
0
1
X
X
X
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
0
1
0
0
0
1
1
1
X
X
X
0
1
D0 H01
D1 H02
N01 Q
X
X
X
X
X
X
X
Hold
0
1
1
C
A
H03
H06
X
X
X
X
Hold
1
X
X
X
C
R
S
0
Min Pulse
Min Pulse
1
← Prohibition
H04
R
X:Irrelevant
(HH) 0.330
(HL) 0.363
(HH) 0.264
(HL) 0.449
0.530
0.579
0.427
0.949
0.011
0.011
0.011
0.011
0.015
0.015
0.015
0.015
0.022
0.022
0.022
0.022
D0
D1
C
R
S
1.0
1.0
1.0
2.1
2.3
1.0
QB
33
F644SB
C
→
QB
Logic Diagram for "QB output"
Truth Table for "QB output"
R
S
→
→
QB
QB
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
D0
D1
A
R
S
R
S
0.730
0.740
0.730
0.280
0.280
0.260
0.400
0.110
0.420
0.690
0.562
0.492
0.721
S
D0
D1
C
R
S
A
QB
H05
A
0
1
X
X
X
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
0
1
0
0
0
1
1
1
X
X
X
1
0
D0 H01
D1 H02
X
X
X
X
X
X
X
Hold
1
1
0
C
A
H03
H06
X
X
X
X
Hold
0
N01 QB
X
X
X
1
C
R
S
1
← Prohibition
H04
R
Min Pulse
Min Pulse
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 292
Block Library A13872EJ5V0BL
2 - 293
ETC [ ETC ]
