A6276SLW-T Allegro Microsystems Inc, A6276SLW-T Datasheet - Page 5

• Manufacturer Part Number: A6276SLW-T
• Description: IC LED DRIVER LINEAR 24-SOIC
• Manufacturer: Allegro Microsystems Inc
• Type: Linear (Non-Switching)r

Specifications of A6276SLW-T

• Constant Current: Yes
• Topology: 16-Bit Shift Register
• Number Of Outputs: 16
• Internal Driver: Yes
• Type - Primary: General Purpose
• Frequency: 20MHz
• Voltage - Supply: 4.5 V ~ 5.5 V
• Voltage - Output: 1V
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Operating Temperature: -20°C ~ 85°C
• Current - Output / Channel: 75.5mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -

A6276
Serial
Data
Input Input I
H
L
X
L = Low Logic (Voltage) Level H = High Logic (Voltage) Level X = Irrelevant P = Present State R = Previous State
Clock
OUTPUT ENABLE (active low)
CLOCK and SERIAL DATA IN
H
L
R
X
P
1
Shift Register Contents
1
1
IN
IN
I
R
R
R
X
P
2
2
1
1
2
I
R
R
R
X
P
3
3
2
2
3
...
...
...
...
...
...
I
R
R
R
X
P
N-1
N-1
N-2
N-2
N-1
I
R
R
R
X
P
N
Dwg. EP-010-13
N
N-1
N-1
N
Dwg. EP-010-11
V DD
Output
V
Serial
DD
Data
R
R
R
X
P
N-1
N-1
N
N
Enable
Latch
Input
TRUTH TABLE
16-Bit Serial Input, Constant-Current
H
L
I
R
P
X
1
1
1
Latch Contents
I
R
P
X
2
2
2
I
R
P
X
3
3
3
...
...
...
...
I
R
P
X
IN
N-1
N-1
N-1
P
R
I
X
Dwg. EP-063-6
N
SERIAL DATA OUT
N
N
LATCH ENABLE
Latched LED Driver
Output
Enable
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Input
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
H
L
V
I
P
H H H ... H
1
DD
1
Output Con tents
I
P
Dwg. EP-010-12
2
2
OUT
I
P
3
V DD
3
... I
... P
N-1
N-1
H
I
N
P
N
4