Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
D-F/F with RB, SB
Standard type
Q output
Name cells
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
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
QB output
Normal
Q output
QB output
(HH) 0.412
(HL) 0.427
(HH) 0.575
(HL) 0.540
0.176
(LH) 0.329
(LH) 0.382
0.653
0.694
0.968
0.874
0.273
0.677
0.727
0.385
1.237
1.302
1.920
1.662
0.463
1.334
1.423
0.654
1.160
0.300
0.000
0.510
1.080
0.440
2.296
1.640
1.769
1.223
1.299
0.477
1.267
1.180
0.290
0.000
0.530
1.090
0.440
1.677
0.754
1.600
1.236
1.295
0.467
1.285
1.170
0.290
0.000
0.530
1.090
0.440
1.673
0.757
1.618
1.135
0.958
1.808
0.920
1.210
0.290
0.000
0.560
1.010
0.400
1.510
2.114
1.254
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
D
C
RB
SB
1.0
1.0
2.3
2.1
Q
34
32
F647
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
L647
8
F647
10
F647NQ
9
F647NB
9
x1
x2
x4
(LL)
RB
RB
SB
SB
→
→
→
→
Q
QB
Q
(LL)
0.187
0.570
0.360
0.180
0.420
0.690
0.390
0.743
0.603
0.658
QB
Logic Diagram for "Normal"
Truth Table for "Normal"
Set up time
Hold time
D
D
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
C
SB
D
C
RB
SB
Q
QB
H04
0
1
1
1
1
0
1
0
1
1
1
1
0
0
0
1
1
0
D
C
H01
H02
N01
Q
X
X
X
X
Hold
Min Pulse
Min Pulse
RB
SB
X
X
X
0
1
0
1
0
0
(HH) 0.413
(HL) 0.427
0.183
(LH) 0.359
0.580
0.652
0.693
0.284
0.654
0.022
0.020
0.020
0.022
0.030
0.025
0.025
0.030
0.043
0.034
0.034
0.042
D
C
RB
SB
1.0
1.0
2.3
2.2
Q
16
34
32
L647
C
→
Q
N02 QB
←
Prohibition
(LL)
RB
SB
→
→
Q
Q
X:Irrelevant
H03
RB
Set up time
Hold time
D
D
0.360
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
C
0.180
0.420
0.700
0.390
0.596
0.357
0.608
Logic Diagram for "Q output"
Truth Table for "Q output"
SB
D
C
RB
SB
Q
H04
Min Pulse
Min Pulse
RB
SB
0
1
1
1
1
0
1
0
1
1
1
1
0
0
0
1
D
C
H01
H02
N01 Q
(HH) 0.409
(HL) 0.422
0.178
(LH) 0.358
0.580
0.651
0.687
0.276
0.654
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
1.0
1.0
2.3
2.2
Q
F647NQ
C
→
Q
X
X
X
X
Hold
(LL)
X
X
X
0
1
0
RB
SB
→
→
Q
Q
Set up time
Hold time
D
D
←
Prohibition
0.360
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
C
0.180
0.420
0.700
0.390
0.591
0.354
0.608
X:Irrelevant
H03
RB
Logic Diagram for "QB output"
Truth Table for "QB output"
Min Pulse
Min Pulse
RB
SB
SB
D
C
RB
SB
QB
H04
(HH) 0.373
(HL) 0.342
(LH) 0.374
0.601
0.543
0.889
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
D
C
RB
SB
1.0
1.0
2.3
2.2
QB
F647NB
C
→
QB
0
1
1
1
1
0
1
0
1
1
1
1
0
0
1
0
RB
SB
→
→
QB
QB
D
C
H01
H02
(LL)
0.274
0.590
0.360
0.150
0.440
0.650
0.380
0.541
0.713
0.520
X
X
X
X
Hold
1
Set up time
Hold time
D
D
X
X
X
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
C
0
N01 QB
0
← Prohibition
X:Irrelevant
H03
RB
Min Pulse
Min Pulse
RB
SB
Block Library A13872EJ5V0BL
2 - 276
Block Library A13872EJ5V0BL
2 - 277