5829 Datasheet, PDF (5/12 Pages) Allegro MicroSystems – 9-BIT SERIAL-INPUT, LATCHED SINK DRIVER

5829
9-BIT SERIAL-INPUT,
LATCHED SINK DRIVER
+36 V
TEST CIRCUIT AND
TYPICAL APPLICATION
CHARGE
PUMP
POWER
NMOS
LOADS (9)
V _REF
STROBE
CLOCK
SERIAL
DATA IN
V _DD
OUTPUTS
HIGH-SIDE
DRIVER (HSD)
V _DD
RC _C
GROUND
RC _EN
IN ₉
R _CV
+
0.01
20 µF
µF
250 pF
SERIAL
DATA OUT
5 kΩ ±1%
Dwg. EP-023A
TRUTH TABLE
Serial
Data
Input
Clock
Input
Shift Register
Contents*
I₁ I₂ … I₉
Serial
Data
Output
Strobe
Input
Latch
Contents*
I₁ I₂ … I₉
Output
Contents*
I₁ I₂ … I₉
HSD
OUTPUT
H
H R₁ … R₈
R₇
L
L R₁ … R₈
R₇
H
X
H
L
X
R₁ R₂ … R₉
R₈
XX…X
X
H
R₁ R₂ … R₉
P₁ P₂ … P₉
P₈
L
P₁ P₂ … P₉ P₁ P₂ … P₉
H
* Serial Data Output connected to Input₉.
L = Low Logic Level H = High Logic Level X = Irrelevant P = Present State R = Previous State