Chapter 2 Function Block
T-F/F with Data-Hold R, S
Chapter 2 Function Block
Switching speed
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
0.011
0.011
0.010
0.011
0.011
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
(HH) 0.429
(HL) 0.563
(HH) 0.665
(HL) 0.651
(HL) 0.503
(HH) 0.189
(HH) 0.219
(HL) 0.439
0.656
0.915
1.109
1.036
0.860
0.340
0.314
0.856
1.180
1.691
2.116
1.899
1.607
0.590
0.532
1.569
2.310
0.000
1.240
0.000
0.320
1.210
2.485
2.086
2.022
0.015
0.014
0.015
0.014
0.014
0.015
0.015
0.014
0.022
0.020
0.021
0.019
0.020
0.022
0.022
0.021
T
TE
R
1.0
1.7
2.1
2.2
Q
34
34
F791
T
T
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
S
F791
12
x1
x2
x4
R
R
S
S
→
→
→
→
Q
QB
Q
QB
Logic Diagram for "Normal"
Truth Table for "Normal"
Set up time
Hold time
TE
0.770
0.310
0.390
0.110
0.430
0.750
0.853
0.777
0.739
TE
R
S
R
S
T
R
S
Release time
Release time
Removal time
Removal time
Min Pulse
S
T
TE
R
S
Q
QB
H04
1
1
0
0
0
1
0
1
0
0
0
0
1
1
Invert
Hold
Hold
T
H01
N01 Q
X
X
X
X
0
Min Pulse
Min Pulse
X
X
X
0
1
1
1
0
1
TE H02
N02 QB
←
Prohibition
X:Irrelevant
H03
R
Logic Diagram for "Q output"
Truth Table for "Q output"
Logic Diagram for "QB output"
Truth Table for "QB output"
Block Library A13872EJ5V0BL
2 - 330
Block Library A13872EJ5V0BL
2 - 331
ETC [ ETC ]
