Chapter 2 Function Block
2-Input Exclusive NOR
Chapter 2 Function Block
Switching speed
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Standard type
Block type
IN
OUT
MIN.
TYP. MAX.
MIN.
0.022
0.020
0.022
0.020
0.022
0.020
0.022
0.020
0.011
0.010
0.011
0.010
0.011
0.010
0.011
0.010
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
High speed
(HH) 0.187
(HL) 0.219
(LH) 0.226
0.309
0.376
0.363
0.417
0.324
0.490
0.357
0.313
0.332
0.411
0.379
0.457
0.344
0.530
0.372
0.347
0.628
0.681
0.673
0.770
0.651
0.812
0.725
0.660
0.678
0.738
0.703
0.841
0.699
0.881
0.756
0.718
0.030
0.025
0.029
0.025
0.030
0.026
0.029
0.025
0.015
0.013
0.015
0.013
0.015
0.013
0.015
0.013
0.043
0.035
0.042
0.035
0.043
0.035
0.042
0.035
0.022
0.018
0.021
0.018
0.022
0.018
0.021
0.018
A
B
2.0
2.0
Y
16
L512
A
B
A
B
→
→
→
→
Y
Y
Y
Y
Drivability
Name cells
Name cells
L512
F512
3
4
Low Power
x1
(LL)
0.245
(HH) 0.202
(HL) 0.298
(LH) 0.211
x2
x4
(LL)
0.172
(HH) 0.203
(HL) 0.243
(LH) 0.239
A
B
2.0
2.0
Y
33
F512
Logic Diagram
A
B
H01
H02
(LL)
0.269
(HH) 0.219
(HL) 0.326
(LH) 0.224
N01
Y
(LL)
0.192
Truth Table
A
B
Y
0
0
1
1
0
1
0
1
1
0
0
1
Block Library A13872EJ5V0BL
2 - 178
Block Library A13872EJ5V0BL
2 - 179
ETC [ ETC ]
