Photoelectric Smoke Detector
with Interconnect and Timer
A5358
10
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
OSC CAP Pin
STROBE Pin
IRED Pin
LED Pin
LED Pin
LED Pin
Internal Clock
Test event
Horn Enable
VDD Pin
Chamber
Sensitivity
Photo Sample
Chamber Test
Low-Battery Test
Low-Battery Test
Chamber Test
Horn Enable
t
osc
t
w(st)
t
w(led)
t
w(horn)
t
w(horn)
t
horn
t
horn
Chirps occur at the end of a failed “test period,” and are nearly coincident with LED flashes
Chirps occur after 2 consecutive failed tests, and are offset from LED flashes and from chirps that indicate failure of low-battery tests
t
st1
, t
ired1
t
st5
, t
ired5
t
led1
, t
st5
LED off (High-Z)
LED on
LED off
(High-Z)
LED on
LED off
(High-Z)
LED on
(Low battery)
Failed “test period”
(Degraded chamber)
10%
50%
90%
t
w(ired)
t
f(ired)
t
r(ired)
Timing Diagrams
(Not to Scale)
Standby Mode
Low Battery Condition
Degraded Chamber Condition
Photoelectric Smoke Detector
with Interconnect and Timer
A5358
11
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Horn Enable
I/O Pin
LED Pin
STROBE Pin
IRED Pin
Horn Enable
I/O Pin
STROBE Pin
LED Pin
LED Pin
Horn Enable
I/O Pin
STROBE Pin
TEST Pin
t
on(horn)
t
off(horn)
t
st2,ired2
t
st3,i red3
t
st 3,i red3
t
w(led)
3rd strobe without smoke1st strobe with smoke 3rd strobe with smoke
t
w(st)
(Output)
(Input)
t
on(horn)
t
off(horn)
t
r(io)
t
w(st)
t
st4,ired4
t
on(horn)
t
off(horn)
t
st 6,ired6
(Output)
t
w(st)
t
w(led)
t
led6
t
led3
Local Smoke Detection Alarm Condition
Remote Alarm Condition
Test Alarm Mode
Photoelectric Smoke Detector
with Interconnect and Timer
A5358
12
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package A, 16-Pin DIP
Branded Face
10.92 MAX
0.38 MIN
5.33 MAX
+0.51
–0.38
0.13 MIN
C
SEATING
PLANE
16X
0.25
M C
2.54 BSC
7.62 BSC
A
A
Terminal #1 mark area
+0.25
–0.38
1.52
3.30
+1.65
–0.38
3.30
+0.76
–0.25
6.35
0.46±0.10
+0.64
–0.38
19.05
+0.10
–0.05
0.25
For Reference Only; not for tooling use (reference MS-001BB)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
21
16
Package LW, 16-Pin SOICW
C
SEATING
PLANE
2
1
16
1.27 BSC
GAUGE PLANE
SEATING PLANE
A
Terminal #1 mark area
B
Reference land pattern layout (reference IPC7351
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
PCB Layout Reference View
C
C
21
16
Branding scale and appearance at supplier discretion
C
SEATING
PLANE
0.65
1.27
9.50
2.25
C0.10
16X
0.25 BSC
1.40 REF
2.65 MAX
For Reference Only; not for tooling use (reference MS-013AA)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
10.30 ±0.20
7.50 ±0.10 10.30 ±0.33
0.51
0.31
0.30
0.10
0.33
0.20
1.27
0.40
A

A5358CLWTR-T

Mfr. #:
Manufacturer:
Description:
IC SMOKE DETECTOR PHOTO 16SOIC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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