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PDF A5832 Data sheet ( Hoja de datos )
| Número de pieza | A5832 | |
| Descripción | BiMOS II 32-Bit Serial Input Latched Driver | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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A5832
BiMOS II 32-Bit Serial Input Latched Driver
Discontinued Product
These parts are no longer in production The device should not be
purchased for new design applications. Samples are no longer available.
Date of status change: October 31, 2005
Recommended Substitutions:
For new customers or new applications, refer to the A6832.
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a
product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information
included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor
for any infringements of patents or other rights of third parties which may result from its use.
1 page  
5832
BiMOS II 32-BIT
SERIAL-INPUT,
LATCHED DRIVERS
CLOCK
DATA IN
STROBE
AD
B
E
C
F
OUTPUT
ENABLE
OUTN
G
Dwg. No. A-12,276A
TIMING CONDITIONS
(VDD = 5.0 V, Logic Levels are VDD and Ground)
A. Minimum Data Active Time Before Clock Pulse
(Data Set-Up Time) .......................................................................... 75 ns
B. Minimum Data Active Time After Clock Pulse
(Data Hold Time) ............................................................................. 75 ns
C. Minimum Data Pulse Width ................................................................ 150 ns
D. Minimum Clock Pulse Width ............................................................... 150 ns
E. Minimum Time Between Clock Activation and Strobe ....................... 300 ns
F. Minimum Strobe Pulse Width ............................................................. 100 ns
G. Typical Time Between Strobe Activation and
Output Transition ........................................................................... 500 ns
Serial Data present at the input is trans-
ferred to the shift register on the logic “0” to
logic “1” transition of the CLOCK input pulse.
On succeeding CLOCK pulses, the registers
shift data information towards the SERIAL
DATA OUTPUT. The SERIAL DATA must
appear at the input prior to the rising edge of
the CLOCK input waveform.
Information present at any register is
transferred to its respective latch when the
STROBE is high (serial-to-parallel conver-
sion). The latches will continue to accept
new data as long as the STROBE is held
high. Applications where the latches are
bypassed (STROBE tied high) will require
that the OUTPUT ENABLE input be low
during serial data entry.
When the OUTPUT ENABLE input is low,
all of the output buffers are disabled (OFF)
without affecting the information stored in the
latches or shift register. With the OUTPUT
ENABLE input high, the outputs are con-
trolled by the state of the latches.
TRUTH TABLE
Serial
Shift Register Contents
Data Clock
Input Input I1 I2 I3 ... IN-1 IN
Serial
Data Strobe
Output Input
Latch Contents
I1 I2 I3 ... IN-1 IN
H
H R1 R2 ... RN-2 RN-1
RN-1
L
L R1 R2 ... RN-2 RN-1
RN-1
X
R1 R2 R3 ... RN-1 RN
RN
X X X ... X X
X
L R1 R2 R3 ... RN-1 RN
P1 P2 P3 ... PN-1 PN
PN
H P1 P2 P3 ... PN-1 PN
X X X ... X X
Output
Enable
Input
H
L
Output Contents
I1 I2 I3 ... IN-1 IN
P1 P2 P3 ... PN-1 PN
H H H ... H H
L = Low Logic Level H = High Logic Level X = Irrelevant P = Present State R = Previous State
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet A5832.PDF ] | |
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