Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
JK-F/F with RB, SB
Standard type
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
Q output
QB output
Normal
Q output
QB output
(HH) 0.406
(HL) 0.422
(HH) 0.631
(HL) 0.587
0.177
(LH) 0.391
(LH) 0.378
0.644
0.686
1.057
0.946
0.273
0.772
0.809
0.458
1.223
1.291
2.095
1.794
0.463
1.521
1.571
0.782
1.380
1.560
0.000
0.000
0.000
0.520
1.080
0.440
2.469
1.830
1.932
1.224
1.289
0.463
1.374
1.380
1.560
0.000
0.000
0.000
0.520
1.080
0.440
1.665
0.752
1.723
1.125
0.943
1.774
0.991
1.330
1.590
0.000
0.000
0.000
0.550
1.010
0.400
1.500
2.075
1.336
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
J
K
C
RB
SB
1.0
1.0
1.0
2.3
2.1
Q
34
31
F777
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
F777
12
F777NQ
11
F777NB
11
x1
x2
x4
(LL)
RB
RB
SB
SB
→
→
→
→
Q
QB
Q
(LL)
0.235
0.720
0.710
0.190
0.250
0.180
0.420
0.690
0.390
0.795
0.672
0.732
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
J
K
J
SB
J
K
C
RB
SB
Q
QB
H05
K
RB
SB
RB
SB
C
0
0
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
0
0
Hold
0
1
1
0
J
C
K
H01
H03
H02
N01
Q
1
0
1
1
Invert
Hold
X
X
X
X
X
X
X
X
Min Pulse
Min Pulse
RB
SB
X
X
X
0
1
0
1
0
0
N02 QB
(HH) 0.406
(HL) 0.421
0.177
(LH) 0.379
0.710
0.644
0.685
0.273
0.708
0.011
0.010
0.010
0.011
0.015
0.013
0.013
0.015
0.022
0.017
0.017
0.022
J
K
C
RB
SB
1.0
1.0
1.0
2.3
2.1
Q
34
F777NQ
C
→
Q
←
Prohibition
H04
RB
(LL)
RB
SB
→
→
Q
Q
X:Irrelevant
Set up time
Set up time
Hold time
J
K
J
Logic Diagram for "Q output"
0.710
0.190
0.250
0.180
0.420
0.690
0.390
0.587
0.351
0.655
Truth Table for "Q output"
Hold time
K
SB
J
K
C
RB
SB
Q
H05
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
C
0
0
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
0
0
Hold
0
1
J
C
K
H01
H03
H02
N01 Q
1
0
1
1
Invert
Min Pulse
Min Pulse
RB
SB
X
X
X
X
X
X
X
X
Hold
X
X
X
0
1
0
(HH) 0.367
(HL) 0.336
(LH) 0.432
0.593
0.533
0.869
0.536
0.011
0.011
0.011
0.011
0.016
0.014
0.016
0.014
0.023
0.020
0.023
0.020
J
K
C
RB
SB
1.0
1.0
1.0
2.3
2.1
QB
31
F777NB
C
→
QB
←
Prohibition
RB
SB
→
→
QB
QB
(LL)
0.293
0.690
0.720
0.190
0.260
0.160
0.430
0.640
0.380
0.533
0.695
0.553
H04
RB
X:Irrelevant
Set up time
Set up time
Hold time
Hold time
Release time
Release time
Removal time
Removal time
Min Pulse
J
K
J
Logic Diagram for "QB output"
Truth Table for "QB output"
K
RB
SB
RB
SB
C
SB
J
K
C
RB
SB
QB
H05
0
0
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
0
0
Hold
1
J
C
K
H01
H03
H02
1
0
0
Invert
Hold
1
Min Pulse
Min Pulse
RB
SB
1
1
X
X
X
X
X
X
X
X
X
X
X
N01 QB
0
0
← Prohibition
H04
RB
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 348
Block Library A13872EJ5V0BL
2 - 349
ETC [ ETC ]
