Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
JK-F/F with RB
Normal
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
TYP. MAX. Symbol Fanin Symbol Fanout
Q output
Name cells
QB output
Normal
Q output
QB output
(HH) 0.401
(HL) 0.403
(HH) 0.544
(HL) 0.587
0.185
(LH) 0.334
0.660
0.636
0.652
0.888
0.945
0.285
0.598
1.214
1.209
1.678
1.798
0.479
1.083
1.390
1.540
0.000
0.000
0.000
1.010
2.181
1.397
1.216
1.209
0.480
1.390
1.540
0.000
0.000
0.000
1.010
1.598
0.775
0.987
0.928
1.374
1.360
1.530
0.000
0.000
0.000
0.960
1.362
1.674
0.015
0.013
0.015
0.013
0.013
0.015
0.022
0.017
0.021
0.018
0.017
0.022
J
K
C
1.0
1.0
1.0
2.2
Q
34
34
F775
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
RB
F775
11
F775NQ
10
F775NB
10
x1
x2
x4
(LL)
RB
RB
→
→
Q
QB
Set up time
Set up time
Hold time
Hold time
Release time
Removal time
Min Pulse
J
K
J
0.660
0.180
0.240
0.190
0.670
0.774
0.574
Logic Diagram for "Normal"
Truth Table for "Normal"
K
RB
RB
C
J
K
C
RB
Q
QB
J
C
K
H01
H03
H02
N01
Q
0
0
1
1
X
X
0
1
0
1
X
X
1
1
1
1
1
0
Hold
Min Pulse
RB
0
1
1
0
(HH) 0.401
(HL) 0.402
0.637
0.652
0.285
0.011
0.010
0.010
0.015
0.013
0.013
0.022
0.017
0.017
J
K
C
1.0
1.0
1.0
2.2
Q
34
F775NQ
C
→
Q
Q
N02 QB
(LL)
0.185
0.660
0.650
0.180
0.240
0.190
0.670
0.589
0.365
RB
→
Invert
Hold
Set up time
Set up time
Hold time
J
K
J
RB
H04
RB
X
0
1
Hold time
K
X:Irrelevant
Release time
Removal time
Min Pulse
RB
RB
C
Logic Diagram for "Q output"
Min Pulse
RB
Truth Table for "Q output"
(HH) 0.330
(HL) 0.334
(LH) 0.348
0.650
0.529
0.526
0.711
0.011
0.011
0.011
0.015
0.014
0.015
0.022
0.020
0.022
J
K
C
1.0
1.0
1.0
2.2
QB
33
F775NB
C
→
QB
QB
J
K
C
RB
Q
J
C
K
H01
H03
H02
N01
Q
RB
→
Set up time
Set up time
Hold time
Hold time
Release time
Removal time
Min Pulse
J
K
J
RB
0
0
1
1
X
X
0
1
0
1
X
X
1
1
1
1
1
0
Hold
0.660
0.180
0.240
0.180
0.620
0.525
0.602
0
1
K
RB
RB
C
Invert
Hold
0
H04
RB
X
Min Pulse
RB
X:Irrelevant
Logic Diagram for "QB output"
Truth Table for "QB output"
J
K
C
RB
QB
J
C
K
H01
H03
H02
0
0
1
1
X
X
0
1
0
1
X
X
1
1
1
1
1
0
Hold
1
0
N01 QB
Invert
Hold
1
H04
RB
X
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 344
Block Library A13872EJ5V0BL
2 - 345
ETC [ ETC ]
