Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
D-F/F with RB
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Standard type
Low Gate type
Block type
IN
OUT
MIN.
TYP. MAX.
MIN.
0.012
0.010
0.012
0.010
0.010
0.012
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
(HH) 0.425
(HL) 0.424
(HH) 0.523
(HL) 0.559
0.199
(LH) 0.305
0.580
0.675
0.688
0.860
0.905
0.311
0.567
1.282
1.278
1.624
1.728
0.535
1.029
1.140
0.310
0.000
1.010
2.111
1.338
1.202
1.218
0.480
1.130
0.310
0.000
1.010
1.594
0.760
1.290
1.282
0.540
1.140
0.310
0.000
1.010
1.671
0.841
1.055
1.012
1.447
1.120
0.310
0.000
0.960
1.432
1.747
0.016
0.013
0.016
0.013
0.013
0.016
0.023
0.017
0.022
0.017
0.017
0.022
D
C
RB
1.0
1.0
2.2
Q
31
31
F615
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
L645
7
F615
9
F615NQ
8
F615NB
8
x1
x2
x4
(LL)
RB
RB
→
→
Q
QB
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
RB
RB
C
0.380
Logic Diagram for "Normal"
Truth Table for "Normal"
0.190
0.670
0.751
0.547
D
C
RB
Q
QB
D
C
H01
H02
N01
Q
Min Pulse
RB
(HH) 0.404
(HL) 0.406
0.638
0.656
0.285
0.022
0.020
0.020
0.030
0.025
0.025
0.043
0.034
0.034
D
C
RB
1.0
1.0
2.3
Q
16
31
31
L645
C
→
Q
Q
0
1
1
1
1
0
0
1
1
0
(LL)
0.183
0.580
0.380
0.190
0.670
0.596
0.358
RB
→
X
X
Hold
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
RB
RB
C
N02 QB
X
0
1
X:Irrelevant
H03
RB
Min Pulse
RB
(HH) 0.427
(HL) 0.425
0.678
0.689
0.315
0.012
0.010
0.010
0.016
0.013
0.013
0.023
0.017
0.017
D
C
RB
1.0
1.0
2.2
Q
F615NQ
C
→
Q
Q
(LL)
0.199
0.580
0.380
0.190
0.670
0.619
0.386
RB
→
Logic Diagram for "Q output"
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
RB
RB
C
Truth Table for "Q output"
D
C
RB
Q
D
H01
N01
Q
0
1
1
1
1
0
0
1
Min Pulse
RB
(HH) 0.353
(HL) 0.359
(LH) 0.327
0.580
0.567
0.570
0.750
0.012
0.011
0.012
0.016
0.014
0.016
0.023
0.020
0.023
D
C
RB
1.0
1.0
2.3
QB
F615NB
C
→
QB
QB
X
X
Hold
0
C
H02
X
RB
→
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
RB
RB
C
X:Irrelevant
0.380
H03
RB
0.170
0.630
0.552
0.628
Min Pulse
RB
Logic Diagram for "QB output"
Truth Table for "QB output"
D
C
RB
QB
D
C
H01
H02
0
1
1
1
1
0
1
0
X
X
Hold
1
N01 QB
X
X:Irrelevant
H03
RB
Block Library A13872EJ5V0BL
2 - 272
Block Library A13872EJ5V0BL
2 - 273
ETC [ ETC ]
