L4C383
DEVICES INCORPORATED
16-bit Cascadable ALU (Extended Set)
SWITCHING CHARACTERISTICS — MILITARY OPERATING RANGE (–55°C to +125°C)
GUARANTEED MAXIMUM COMBINATIONAL DELAYS Notes 9, 10 (ns)
*
*
*
L4C383-30
To Output
L4C383-65
L4C383-45
From Input
F15-F0
N
OVF, Z C16 F15-F0
N
OVF, Z C16 F15-F0
N
OVF, Z C16
FTAB = 0, FTF = 0
Clock
C0
37
—
—
44
—
48
63
42
48
45
25
48
28
—
—
34
—
38
50
32
38
34
23
38
26
—
—
28
—
28
34
22
28
28
22
28
S4-S0
FTAB = 0, FTF = 1
Clock
C0
68
42
66
44
—
48
63
42
48
45
25
48
56
32
46
34
—
38
50
32
38
34
23
38
34
26
30
28
—
28
34
22
28
28
22
28
S4-S0
FTAB = 1, FTF = 0
A15-A0, B15-B0
Clock
—
37
—
—
44
—
—
48
56
—
42
48
44
—
25
48
—
28
—
—
32
—
—
38
46
—
32
38
36
—
23
38
—
26
—
—
28
—
—
28
28
—
22
28
28
—
22
28
C0
S4-S0
FTAB = 1, FTF = 1
A15-A0, B15-B0
Clock
65
68
42
66
44
44
—
48
56
63
42
48
44
45
25
48
45
56
32
46
32
34
—
38
46
50
32
38
36
34
23
38
30
34
26
30
28
28
—
28
28
34
22
28
28
28
22
28
C0
S4-S0
GUARANTEED MINIMUM SETUP AND HOLD TIMES WITH RESPECT TO CLOCK RISING EDGE Notes 9, 10 (ns)
*
*
*
L4C383-65
FTAB = 0 FTAB = 1
Setup Hold Setup Hold Setup Hold Setup Hold Setup Hold Setup Hold
L4C383-45
L4C383-30
FTAB = 0 FTAB = 1
FTAB = 0 FTAB = 1
Input
A15-A0, B15-B0
C0
10
25
50
12
3
0
0
2
43
25
50
12
3
0
0
2
8
3
0
0
2
33
20
36
10
3
0
0
2
8
3
0
0
2
20
12
20
10
3
0
0
2
20
36
10
12
20
10
S4-S0
ENA, ENB, ENF
TRI-STATE ENABLE/DISABLE TIMES Notes 9, 10, 11 (ns)
CLOCK CYCLE TIME AND PULSE WIDTH Notes 9, 10 (ns)
*
*
*
*
*
*
L4C383-30
L4C383-65
L4C383-45
L4C383-30
L4C383-65
L4C383-45
Minimum Cycle Time
Highgoing Pulse
Lowgoing Pulse
tENA
tDIS
22
22
20
20
18
18
52
20
20
38
15
15
26
12
12
*DISCONTINUED SPEED GRADE
Arithmetic Logic Units
08/16/2000–LDS.383-E
8
LOGIC [ LOGIC DEVICES INCORPORATED ]
