Chapter 2 Function Block
JK-F/F (CB), 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
CB
OUT
MIN.
(LH) 0.298
(LL) 0.337
(LH) 0.431
TYP. MAX.
MIN.
0.011
0.011
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Q output
QB output
Normal
Q output
QB output
0.484
0.561
0.732
0.693
0.913
1.067
1.428
1.315
1.470
1.270
0.000
0.000
1.754
0.015
0.014
0.015
0.013
0.022
0.020
0.021
0.017
J
K
CB
1.0
1.0
1.0
Q
34
35
F7E1
→
Q
Drivability
Name cells
Name cells
Name cells
Name cells
Name cells
Name cells
QB
CB
→
QB
Low Power
(LL)
0.423
0.730
0.690
0.310
0.190
0.642
F7E1
10
x1
x2
x4
Set up time
Set up time
Hold time
Hold time
Min Pulse
J
K
J
K
CB
Logic Diagram for "Normal"
Truth Table for "Normal"
J
K
CB
Q
QB
J
H01
CB H03
H02
N01
Q
0
0
1
1
X
0
1
0
1
X
Hold
0
1
1
0
K
N02 QB
Invert
Hold
X:Irrelevant
Logic Diagram for "Q output"
Truth Table for "Q output"
Logic Diagram for "QB output"
Truth Table for "QB output"
Block Library A13872EJ5V0BL
2 - 352
Block Library A13872EJ5V0BL
2 - 353