Chapter 3 Scan Path Block
Scan D-F/F with 2 to 1 Selector
Chapter 3 Scan Path Block
Switching speed
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Standard type
Q output
Block type
IN
SCK
OUT
MIN.
TYP. MAX.
MIN.
0.011
0.010
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Name cells Name cells
QB output
Name cells Name cells
(HH) 0.356
(HL) 0.399
(HH) 0.491
(HL) 0.482
0.550
0.648
0.812
0.765
0.992
1.205
1.551
1.400
1.520
1.660
1.530
0.000
0.000
0.000
1.920
0.015
0.013
0.015
0.013
0.021
0.017
0.021
0.017
SIN
SCK
SMC
D
1.0
1.0
1.0
1.0
Q
35
35
S002
→
Q
Drivability
Name cells
Name cells
QB
SCK
→
QB
x1
x2
x4
x8
S002
10
Set up time
Set up time
Set up time
Hold time
Hold time
Hold time
Min Pulse
SIN
SMC
D
SIN
SMC
D
0.690
0.690
0.700
0.250
0.240
0.250
0.668
Logic Diagram for "Normal"
Truth Table for "Normal"
SCK
SIN
SCK
SMC
D
Q
QB
SIN H01
SCK H02
SMC H03
N01
Q
X
A
X
1
0
X
B
X
X
B
A
BB
AB
D
H04
N02 QB
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
3 - 6
Block Library A13872EJ5V0BL
3 - 7
ETC [ ETC ]
