ucn5890 Allegro MicroSystems, Inc., ucn5890 Datasheet - Page 2

• Manufacturer Part Number: ucn5890
• Description: Bimos Ii 8-bit Serial-input, Latched Source Drivers
• Manufacturer: Allegro MicroSystems, Inc.

5890
8-BIT SERIAL-INPUT,
LATCHED SOURCE DRIVERS
2.5
2.0
1.5
1.0
0.5
0
25
SUFFIX 'LW', R
IN
SUFFIX 'A', R
AND
AMBIENT TEMPERATURE IN C
50
JA
5891
= 94 C/W
JA
75
= 60 C/W
100
Dwg. EP-010-4A
Dwg. No. A-12,648
125
V
BB
V DD
OUT
Dwg. GP-018C
150
Copyright © 1985, 2003 Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
GROUND
STROBE
DATA IN
SERIAL
CLOCK
I
Outputs On at
I
Outputs On at
OUT
OUT
Number of
Number of
= -200 mA
= -200 mA
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
BIPOLAR
MOS
OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8
8-BIT SERIAL-PARALLEL SHIFT REGISTER
UCN5890/91LW Max. Allowable Duty Cycle
100%
100%
100%
100%
100%
100%
100%
50 C
50 C
40%
45%
53%
62%
80%
53%
60%
70%
83%
UCN5890/91A Max. Allowable Duty Cycle
LATCHES
at
at
100%
100%
100%
100%
100%
60 C
60 C
35%
41%
48%
56%
71%
96%
47%
54%
64%
75%
94%
T
T
A
A
of
of
Dwg. No. A-12,654
100%
100%
100%
100%
100%
70 C
SERIAL
DATA OUT
V DD
OUTPUT
ENABLE
V BB
70 C
31%
36%
42%
50%
62%
84%
41%
48%
56%
67%
84%