Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
D-F/F with S
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
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
(HH) 0.365
(HL) 0.486
(HH) 0.596
(HL) 0.498
(HH) 0.177
(HL) 0.317
0.570
0.562
0.794
0.989
0.788
0.259
0.580
1.011
1.476
1.890
1.435
0.438
1.040
1.120
0.300
0.000
1.180
2.265
1.427
1.012
1.479
0.441
1.130
0.300
0.000
1.190
1.853
0.831
0.986
0.955
1.454
1.090
0.310
0.000
1.130
1.362
1.856
0.015
0.013
0.015
0.013
0.015
0.013
0.021
0.019
0.021
0.017
0.022
0.018
D
C
S
1.0
1.0
2.2
Q
35
35
F643
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
F643
9
F643NQ
8
F643NB
8
x1
x2
x4
S
S
→
→
Q
QB
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
S
S
C
S
0.360
0.110
0.740
0.763
Logic Diagram for "Normal"
Truth Table for "Normal"
S
D
C
S
Q
QB
H03
Min Pulse
0.493
(HH) 0.365
(HL) 0.486
(HH) 0.178
0.570
0.562
0.795
0.260
0.011
0.010
0.011
0.015
0.013
0.015
0.021
0.019
0.022
D
C
S
1.0
1.0
2.2
Q
35
F643NQ
C
→
Q
Q
0
1
0
0
0
1
0
1
1
0
D
C
H01
H02
N01
Q
S
→
X
X
Hold
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
S
S
C
S
0.360
0.110
0.740
0.654
X
1
0
X:Irrelevant
N02 QB
Min Pulse
0.296
(HH) 0.331
(HL) 0.343
(HL) 0.342
0.570
0.531
0.541
0.757
0.011
0.011
0.011
0.015
0.014
0.014
0.022
0.020
0.019
D
C
S
1.0
1.0
2.2
QB
34
F643NB
C
→
QB
QB
S
→
Logic Diagram for "Q output"
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
S
S
C
S
Truth Table for "Q output"
0.370
0.110
0.690
0.536
S
D
C
S
Q
H03
0
1
0
0
0
1
0
1
Min Pulse
0.602
D
C
H01
H02
N01
Q
X
X
Hold
1
X
X:Irrelevant
Logic Diagram for "QB output"
Truth Table for "QB output"
S
D
C
S
QB
H03
0
1
0
0
0
1
1
0
D
C
H01
H02
X
X
Hold
0
X
X:Irrelevant
N01 QB
Block Library A13872EJ5V0BL
2 - 268
Block Library A13872EJ5V0BL
2 - 269
ETC [ ETC ]
