Chapter 2 Function Block
D-Latch with R, High Speed
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.
(HH) 0.371
(LL) 0.279
TYP. MAX.
MIN.
0.012
0.011
0.010
0.011
0.012
0.011
0.011
0.010
0.010
0.012
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
0.598
0.476
0.839
0.675
0.589
0.522
0.719
0.828
0.586
0.670
0.788
0.910
1.239
0.933
1.717
1.349
1.174
1.000
1.412
1.652
1.012
1.387
1.405
1.865
1.670
0.000
1.750
0.000
1.971
2.076
0.017
0.014
0.013
0.015
0.017
0.014
0.015
0.013
0.014
0.017
0.015
0.013
0.025
0.021
0.017
0.021
0.025
0.021
0.021
0.017
0.020
0.025
0.021
0.017
D
G
R
1.0
1.0
1.0
Q
29
34
F6R2
D
D
G
G
R
R
→
→
→
→
→
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
(HL) 0.515
(LH) 0.392
(HH) 0.356
(HL) 0.316
(HH) 0.428
(HL) 0.500
(HL) 0.332
(LH) 0.388
(HH) 0.447
QB
Q
Low Power
F6R2
7
x1
x2
x4
QB
Q
Logic Diagram for "Normal"
Truth Table for "Normal"
QB
D
G
R
Q
QB
D
G
H01
H02
N01
Q
(LL)
0.532
0.810
0.230
0.740
0.180
0.626
0.654
Set up time
Hold time
Release time
Removal time
Min Pulse
D
D
R
R
G
R
1
0
1
1
0
X
0
0
0
1
1
0
0
1
X
X
Latch
N02 QB
0
1
Min Pulse
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 - 240
Block Library A13872EJ5V0BL
2 - 241