Chapter 3 Scan Path Block
NEC Scan D-F/F with RB, SB
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
OUT
MIN.
TYP. MAX.
MIN.
0.011
0.010
0.011
0.010
0.010
0.011
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
Name cells Name cells
QB output
Name cells Name cells
(HH) 0.424
(HL) 0.423
(HH) 0.599
(HL) 0.576
0.176
(LH) 0.356
(LH) 0.382
0.686
0.693
1.011
0.946
0.274
0.721
0.766
0.417
1.340
1.337
2.044
1.840
0.463
1.421
1.506
0.717
1.350
0.180
0.290
0.680
0.840
0.330
2.651
1.824
1.857
0.015
0.013
0.015
0.013
0.013
0.015
0.015
0.013
0.022
0.017
0.022
0.017
0.017
0.022
0.022
0.019
D
C
RB
SB
1.0
2.5
2.4
2.2
Q
34
32
SE617
C
C
→
Q
Drivability
Name cells
Name cells
QB
→
QB
x1
x2
x4
x8
SE617
13
(LL)
RB
RB
SB
SB
→
→
→
→
Q
QB
Q
(LL)
0.210
0.630
0.260
0.280
0.450
0.560
0.360
0.957
0.660
0.691
QB
Logic Diagram for "Normal"
Truth Table for "Normal"
Set up time
Hold time
D
D
Release time
Release time
Removal time
Removal time
Min Pulse
RB
SB
RB
SB
C
SB
D
C
RB
SB
Q
QB
H04
0
1
1
1
1
0
1
0
1
1
1
1
0
0
0
1
1
0
D
C
H01
H02
N01 Q
X
X
X
X
Hold
Min Pulse
Min Pulse
RB
SB
X
X
X
0
1
0
1
0
0
N02 QB
←
Prohibition
X:Irrelevant
H03
RB
Logic Diagram for "Q output"
Truth Table for "Q output"
Logic Diagram for "QB output"
Truth Table for "QB output"
Block Library A13872EJ5V0BL
3 - 56
Block Library A13872EJ5V0BL
3 - 57
ETC [ ETC ]
