Chapter 2 Function Block
Chapter 2 Function Block
Switching speed
RS-Latch
Function
Block
type
Input
Output
Path
→
t LD0 (ns)
t 1
Standard type
Block type
IN
OUT
MIN.
(HH) 0.234
(LL) 0.305
(HL) 0.529
(HL) 0.529
(HH) 0.233
TYP. MAX.
MIN.
0.011
0.011
0.011
0.011
0.011
0.011
0.011
0.011
0.011
0.011
TYP. MAX. Symbol Fanin Symbol Fanout
Normal
High speed
Name cells
0.379
0.516
0.853
0.853
0.379
0.515
0.393
0.864
0.394
0.863
0.785
0.944
1.587
1.580
0.783
0.946
0.794
1.593
0.796
1.591
1.460
1.480
0.000
0.000
2.158
0.015
0.014
0.014
0.014
0.015
0.014
0.015
0.014
0.015
0.014
0.022
0.019
0.019
0.019
0.022
0.019
0.022
0.019
0.022
0.019
S
R
G
1.0
1.0
1.7
Q
34
34
F595
S
→
Q
Drivability
Name cells
QB
S
R
R
→
→
→
QB
Q
QB
Low Power
x1
F595
5
x2
x4
(LL)
0.305
(HH) 0.251
(HL) 0.539
(HH) 0.251
(HL) 0.540
0.900
G
G
→
→
Q
QB
Logic Diagram
Set up time
Set up time
Hold time
Hold time
Min Pulse
S
R
S
R
G
0.910
0.000
0.000
0.833
S
R
G
H01
N01
Q
H02
H03
N02 QB
Truth Table
S
R
G
Q
QB
0
0
1
1
1
X
0
1
0
1
1
X
1
1
Latch
0
1
1
1
0
1
1
1
1->0
0
Undefined
Latch
X:Irrelevant
Block Library A13872EJ5V0BL
2 - 226
Block Library A13872EJ5V0BL
2 - 227
ETC [ ETC ]
