MCZ145012EG Freescale Semiconductor, MCZ145012EG Datasheet - Page 5

• Manufacturer Part Number: MCZ145012EG
• Description: IC SMOKE DETECT PHOTOELEC 16SOIC
• Manufacturer: Freescale Semiconductor
• Type: Smoke Detectorr

Specifications of MCZ145012EG

• Input Type: Logic
• Output Type: Voltage
• Current - Supply: 12µA
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Lead Free Status / Rohs Status: Details

Sensors
Freescale Semiconductor
Table 3. AC Electrical Characteristics
(Reference Timing Diagram
(T
Notes
6. Oscillator period T (= T
7. Typicals are not guaranteed.
8. Time is typical - depends on what point in cycle signal is applied.
A
No.
= 25°C, V
10
11
12
13
14
15
16
17
18
19
20
21
22
C
the NFPA 72, ANSI S3.41, and ISO 8201 audible emergency evacuation signals.
1
2
3
4
5
6
7
8
9
3
. The other timing characteristics are some multiple of the oscillator timing as shown in the table. The timing shown should accommodate
Oscillator Period
LED Pulse Period
LED Pulse Width and Strobe
Pulse Width
IRED Pulse Period
IRED Pulse Period
IRED Pulse Width
IRED Rise Time
IRED Fall Time
Silver and Brass Temporal
Modulation Pulse Width
Silver and Brass Chirp Pulse
Period
Silver and Brass Chirp Pulse
Width
Rising Edge on I/O to Smoke
Alarm Response Time
Strobe Out Pulse Period
DD
= 9.0 V, Component Values from
Parameter
r
+ T
Figure 6
f
) is determined by the external components R1, R2, and C3 where T
and
Figure
T
Symbol
T
T
1/F
T
W(IRED)
W(LED)
T
T
T
T
W(STB)
T
T
T
T
T
OFFD
7)
IRED
IRED
WCH
T
T
LED
OFF
STB
ON
CH
RR
OSC
Figure
R
F
,
8: R1 = 100.0 KΩ, C3 = 1500.0 pF, R2 = 7.5 MΩ).
Free-Running Sawtooth
Measured at Pin 12
No Local Smoke, and
No Remote Smoke
Remote Smoke, but
No Local Smoke
Local Smoke
Push-button Test
Smoke Test
Chamber Sensitivity Test,
without Local Smoke
Push-button Test
Low Supply or Degraded
Chamber Sensitivity
Remote Smoke,
No Local Smoke
Smoke Test
Chamber Sensitivity Test,
without Local Smoke
Low Supply Test,
without Local Smoke
Push-button Test
Test Condition
Clocks
4096
1024
4096
4096
1024
4096
4096
128
192
T
1.0
1.0
64
64
64
—
—
—
—
—
1
F
*
R
= (0.6931) R
Min
28.8
0.45
0.45
28.8
0.45
0.45
1.35
28.8
28.8
28.8
7.0
7.0
7.2
0.9
7.0
7.2
94
—
—
—
—
(6)
Extinguished
2
C
Typ
2.0
3
32.4
32.4
1.52
32.4
32.4
32.4
7.9
8.1
1.0
0.5
0.5
7.9
8.1
1.0
—
—
—
—
—
—
and T
(8)
(7)
F
= (0.6931) R
Max
35.2
35.2
0.55
0.55
1.65
35.2
35.2
35.2
116
200
8.6
8.6
8.8
1.1
8.6
8.8
30
—
—
—
—
MC145012
(6)
Unit
ms
ms
ms
µs
µs
s
s
s
s
s
s
s
1
*
5