Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
T-F/F with RB
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
Normal
Q output
QB output
Normal
Q output
QB output
(HH) 0.406
(HL) 0.404
(HH) 0.532
(HL) 0.572
0.183
(LH) 0.316
0.642
0.654
0.878
0.931
0.284
0.651
1.223
1.215
1.677
1.775
0.479
1.189
0.000
1.010
2.160
1.503
1.223
1.214
0.478
0.000
1.010
1.606
0.773
0.015
0.013
0.015
0.013
0.013
0.015
0.022
0.017
0.021
0.018
0.017
0.022
T
RB
1.0
2.2
Q
34
33
F745
T
T
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
→
QB
Low Power
F745
8
F745NQ
7
x1
x2
x4
(LL)
RB
RB
→
→
Q
QB
Release time
Removal time
Min Pulse
RB
RB
T
0.190
0.660
0.761
0.605
Logic Diagram for "Normal"
Truth Table for "Normal"
Min Pulse
RB
(HH) 0.405
(HL) 0.403
0.643
0.653
0.284
0.011
0.010
0.010
0.015
0.013
0.013
0.022
0.017
0.017
T
RB
1.0
2.2
Q
34
F745NQ
T
→
Q
Q
T
RB
Q
QB
N01
Q
(LL)
RB
RB
T
0.182
0.190
0.660
0.594
0.364
RB
→
1
1
0
Invert
Hold
Release time
Removal time
Min Pulse
X
0
1
T
H01
N02 QB
Min Pulse
RB
X:Irrelevant
H02
RB
Logic Diagram for "Q output"
Truth Table for "Q output"
T
RB
Q
N01
Q
1
1
0
Invert
Hold
0
X
T
H01
X:Irrelevant
H02
RB
Logic Diagram for "QB output"
Truth Table for "QB output"
Block Library A13872EJ5V0BL
2 - 326
Block Library A13872EJ5V0BL
2 - 327