Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
JK-F/F with R, S
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
0.011
0.010
0.011
0.011
0.011
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
QB output
Normal
Q output
QB output
(HH) 0.374
(HL) 0.475
(HH) 0.620
(HL) 0.662
(HL) 0.417
(HH) 0.227
(HH) 0.170
(HL) 0.457
0.660
0.575
0.777
1.030
1.059
0.776
0.393
0.251
0.904
1.040
1.451
1.975
1.944
1.463
0.683
0.426
1.664
1.970
1.600
0.000
0.000
1.210
0.000
0.320
1.220
2.344
1.990
2.031
1.041
1.451
1.338
0.426
1.970
1.600
0.000
0.000
1.210
0.000
0.320
1.220
1.821
1.826
0.804
0.981
1.038
0.866
1.851
1.860
1.580
0.000
0.000
1.110
0.000
0.290
1.150
1.428
1.376
2.228
0.015
0.013
0.015
0.014
0.013
0.015
0.015
0.015
0.021
0.019
0.021
0.020
0.018
0.022
0.022
0.022
J
1.0
1.0
1.0
2.1
2.2
Q
34
34
F774
C
C
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
K
C
R
S
QB
→
QB
Low Power
F774
12
F774NQ
11
F774NB
11
x1
x2
x4
R
R
S
S
→
→
→
→
Q
QB
Q
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
0.660
0.160
0.230
0.380
0.110
0.430
0.760
0.861
S
J
K
C
R
S
Q
QB
H05
K
R
S
R
S
C
R
S
0
0
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
1
1
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
0.779
0.689
X
X
X
0
1
1
1
0
1
N02 QB
(HH) 0.374
(HL) 0.473
(HL) 0.414
(HH) 0.170
0.660
0.576
0.777
0.712
0.251
0.011
0.010
0.010
0.011
0.015
0.013
0.013
0.015
0.021
0.019
0.018
0.022
J
1.0
1.0
1.0
2.1
2.2
Q
35
F774NQ
C
→
Q
K
C
R
S
←
Prohibition
H04
R
R
S
→
→
Q
Q
X:Irrelevant
Set up time
Set up time
Hold time
J
K
J
Logic Diagram for "Q output"
0.660
0.160
0.230
0.380
0.110
0.430
0.760
0.637
Truth Table for "Q output"
Hold time
K
R
S
R
S
C
R
S
S
J
K
C
R
S
Q
H05
Release time
Release time
Removal time
Removal time
Min Pulse
0
0
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
1
1
Hold
0
1
J
C
K
H01
H03
H02
N01 Q
1
0
1
1
Invert
Min Pulse
Min Pulse
0.687
0.277
X
X
X
X
X
X
X
X
Hold
X
X
X
0
1
1
(HH) 0.328
(HL) 0.359
(HH) 0.276
(HL) 0.534
0.650
0.527
0.573
0.466
0.944
0.011
0.011
0.011
0.012
0.015
0.015
0.015
0.016
0.022
0.022
0.022
0.023
J
1.0
1.0
1.0
2.1
2.2
QB
33
F774NB
C
→
QB
K
C
R
S
←
Prohibition
R
S
→
→
QB
QB
H04
R
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
0.660
0.160
0.240
0.400
0.100
0.420
0.700
0.554
Logic Diagram for "QB output"
Truth Table for "QB output"
K
R
S
R
S
C
R
S
S
J
K
C
R
S
QB
H05
0
0
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
1
1
Hold
1
J
C
K
H01
H03
H02
1
0
0
Invert
Hold
1
Min Pulse
Min Pulse
0.557
0.710
1
1
X
X
X
X
X
X
X
X
X
X
X
N01 QB
0
1
← Prohibition
H04
R
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 342
Block Library A13872EJ5V0BL
2 - 343
ETC [ ETC ]
