Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
JK-F/F with SB
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) 0.375
(HL) 0.439
(HH) 0.634
(HL) 0.539
(LH) 0.341
0.579
0.715
1.060
0.850
0.711
0.457
1.044
1.351
2.100
1.537
1.342
0.785
1.340
1.580
0.000
0.000
0.540
0.390
2.474
1.686
1.045
1.349
1.166
1.350
1.580
0.000
0.000
0.540
0.390
1.723
1.503
1.181
1.026
1.078
1.310
1.600
0.000
0.000
0.560
0.350
1.556
1.424
0.015
0.013
0.015
0.013
0.015
0.013
0.021
0.017
0.022
0.018
0.021
0.019
J
K
C
1.0
1.0
1.0
2.1
Q
34
33
F776
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
SB
F776
11
F776NQ
10
F776NB
10
x1
x2
x4
SB
SB
→
→
Q
QB
(LL)
0.233
0.730
0.720
0.200
0.260
0.430
0.370
0.798
0.655
Set up time
Set up time
Hold time
Hold time
Release time
Removal time
Min Pulse
J
K
J
Logic Diagram for "Normal"
Truth Table for "Normal"
K
SB
SB
SB
C
J
K
C
SB
Q
QB
H04
0
0
1
1
X
X
0
1
0
1
X
X
1
1
1
1
1
0
Hold
Min Pulse
SB
J
C
K
H01
H03
H02
N01
Q
0
1
1
0
(HH) 0.375
(HL) 0.438
(LH) 0.344
0.730
0.580
0.714
0.623
0.011
0.010
0.011
0.015
0.013
0.015
0.021
0.017
0.021
J
K
C
1.0
1.0
1.0
2.1
Q
34
F776NQ
C
→
Q
Q
SB
→
Invert
Hold
Set up time
Set up time
Hold time
J
K
J
SB
0.720
0.200
0.260
0.430
0.370
0.603
0.584
N02 QB
X
1
0
Hold time
K
X:Irrelevant
Release time
Removal time
Min Pulse
SB
SB
C
Logic Diagram for "Q output"
Min Pulse
SB
Truth Table for "Q output"
(HH) 0.385
(HL) 0.357
0.623
0.572
0.574
0.011
0.011
0.010
0.015
0.014
0.013
0.023
0.019
0.019
J
K
C
1.0
1.0
1.0
2.1
QB
31
F776NB
C
→
QB
QB
SB
J
K
C
SB
Q
H04
(LL)
0.316
0.700
0.730
0.200
0.260
0.450
0.360
0.551
0.565
SB
→
Set up time
Set up time
Hold time
Hold time
Release time
Removal time
Min Pulse
J
K
J
SB
0
0
1
1
X
X
0
1
0
1
X
X
1
1
1
1
1
0
Hold
0
1
J
C
K
H01
H03
H02
N01
Q
K
SB
SB
C
Invert
Hold
1
X
Min Pulse
SB
X:Irrelevant
Logic Diagram for "QB output"
Truth Table for "QB output"
SB
J
K
C
SB
QB
H04
0
0
1
1
X
X
0
1
0
1
X
X
1
1
1
1
1
0
Hold
1
J
C
K
H01
H03
H02
0
Invert
Hold
0
N01 QB
X
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 346
Block Library A13872EJ5V0BL
2 - 347
ETC [ ETC ]
