A6841 ALLEGRO [Allegro MicroSystems], A6841 Datasheet - Page 3

• Manufacturer Part Number: A6841
• Description: DABiC-5 8-Bit Serial Input Latched Sink Drivers
• Manufacturer: ALLEGRO [Allegro MicroSystems]

ELECTRICAL CHARACTERISTICS
voltage V
1
2
Output Leakage Current
Output Sustaining Voltage
Collector–Emitter Saturation
Voltage
Input Voltage
Input Resistance
Serial Data Output Voltage
Maximum Clock Frequency
Logic Supply Current
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Output Enable-to-Output Delay
Strobe-to-Output Delay
Output Fall Time
Output Rise Time
Clock-to-Serial Data Out Delay
Positive (negative) current is defi ned as conventional current going into (coming out of) the specifi ed device pin.
Operation at a clock frequency greater than the specifi ed minimum value is possible but not warran
Truth Table
L = Low Logic Level
H = High Logic Level
X = Irrelevant
P = Present State
Serial
Data
Input
Characteristic
H
L
X
dd
= 3.0 V to 5.5 V
Clock
Input
Shift Register Contents Serial
I
X
P
H
R
L
DABiC-5 8-Bit Serial Input Latched Sink Drivers
1
1
1
2
I
R
R
R
X
P
2
2
1
1
2
I
R
R
R
X
P
3
Symbol
t
t
t
3
2
2
3
V
V
p(STH-QH)
p(CH-SQX)
p(STH-QL)
V
V
t
t
CE(SUS)
CE(SAT)
V
V
I
I
dis(BQ)
en(BQ)
I
OUT(1)
OUT(0)
R = Previous State
OE = Output Enable
ST = Strobe
DD(1)
DD(0)
R
...
...
...
...
...
...
CEX
IN(1)
IN(0)
V
f
I
t
t
c
IN
r
f
r
f
I
R
R
R
X
P
8
8
7
7
8
1
V
I
I
I
I
I
I
One output on, OE = L, ST = H
All outputs off, OE = H, ST = H,
P1 through P8 = L
V
I
V
V
V
V
V
V
I
OUT
OUT
OUT
OUT
OUT
OUT
f
OUT
Unless otherwise noted: T
OUT
r
CC
CC
CC
CC
CC
CC
= 350 mA
= 50 V
Output
= 50 V, R1 = 500 Ω, C1 ≤ 30 pF
= 50 V, R1 = 500 Ω, C1 ≤ 30 pF
= 50 V, R1 = 500 Ω, C1 ≤ 30 pF
= 50 V, R1 = 500 Ω, C1 ≤ 30 pF
= 50 V, R1 = 500 Ω, C1 ≤ 30 pF
= 50 V, R1 = 500 Ω, C1 ≤ 30 pF
Data
= 350 mA, L = 3 mH
= 100 mA
= 200 mA
= 350 mA
= –200 μA
= 200 μA
= ±200 μA
R
R
R
X
P
= 50 V
8
7
7
8
Test Conditions
Strobe
Input
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
H
L
R
P
I
X
1
1
1
Latch Contents
R
P
A
I
X
2
2
2
= 25°C, V
R
P
I
X
3
3
3
Min.
2.2
2.8
35
50
10
...
...
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
...
...
V
ee
R
P
dd
I
X
8
8
8
= 0 V, logic supply operating
Typ.
3.05
0.15
= 3.3 V
50
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Output
Enable
Max. Min.
Input
100
teed.
1.1
1.3
1.6
1.1
0.3
2.0
1.0
1.0
1.0
1.0
1.0
1.0
10
50
–
–
–
–
–
2
–
L
H
3.3
4.5
35
50
10
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
P
H
V
I
1
Output Contents
1
dd
Typ.
4.75
0.15
I
P
H
50
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
2
= 5 V
2
I
P
H
3
3
Max.
A6841
... I
... P
...
100
1.1
1.3
1.6
1.7
0.3
2.0
1.0
1.0
1.0
1.0
1.0
1.0
10
50
–
–
–
–
–
2
–
H
8
8
Units
MHz
mA
μA
kΩ
μA
μA
μs
μs
μs
μs
μs
μs
ns
V
V
V
V
V
V
V
V
V
3