A6278EA-T Allegro Microsystems Inc, A6278EA-T Datasheet - Page 17

• Manufacturer Part Number: A6278EA-T
• Description: IC,Laser Diode/LED Driver,BICMOS,DIP,16PIN,PLASTIC
• Manufacturer: Allegro Microsystems Inc
• Type: Linear (Non-Switching)r

Specifications of A6278EA-T

• Constant Current: Yes
• Topology: 8-Bit Shift Register
• Number Of Outputs: 8
• Internal Driver: Yes
• Type - Primary: General Purpose
• Frequency: 25MHz
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 75.5mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1165-5; A6278EA-T

A6278
A6279
24X
0.10
0.41 ±0.10
C
16X
24
1
0.10
0.41 ±0.10
and
2
A
C
16
1
For Reference Only
Dimensions in millimeters
(reference JEDEC MS-013 AA)
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
A
2
15.40±0.20
10.30±0.20
1.27
1.27
Package LW, 16-pin SOIC (A6278)
Package LW, 24-pin SOIC (A6279)
7.50±0.10
7.50±0.10
0.20 ±0.10
0.20 ±0.10
Serial-Input, Constant-Current Latched
LED Drivers with Open LED Detection
SEATING
PLANE
2.65 MAX
SEATING
PLANE
2.65 MAX
10.30±0.33
10.30±0.33
C
C
A Terminal #1 mark area
B
For Reference Only
(Reference JEDEC MS-013 AD)
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
Reference pad layout (reference IPC SOIC127P1030X265-24M)
All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary
to meet application process requirements and PCB layout tolerances
A Terminal #1 mark area
B
Reference pad layout (reference IPC SOIC127P1030X265-16M)
All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary
to meet application process requirements and PCB layout tolerances
GAUGE PLANE
GAUGE PLANE
4° ±4
0.25
0.84
SEATING PLANE
0.25
0.27
4° ±4
0.84
SEATING PLANE
0.27
+0.44
–0.43
+0.07
–0.06
+0.44
–0.43
+0.07
–0.06
0.65
2.25
2.20
16
1
24
1
B
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
2
PCB Layout Reference View
2
B
PCB Layout Reference View
1.27
0.65
9.50
1.27
9.60
17