Datasheet
Sensors
4 Freescale Semiconductor
MC146010
A
rchived by Freescale Semiconductor, Inc., 2009
Archive Information
Archive Information
* T
A
= 25°C Only
Symbol Parameter Test Condition
Test
Pin
V
DD
Min Max Unit
I
IH
Pull-Down Current Test
I/O
V
IN
= V
DD
I/O V
IN
= V
DD
I/O V
IN
= 17 V
16
7.0 12
9.0
9.0
12
—
0.5
25
—
-1.0
1.0
100
140
µA
µA
V
OL
Low-Level Output Voltage LED
Silver, Brass
I
OUT
= 10 mA
I
OUT
= 16 mA
11
8.9
6.5
6.5
—
—
0.6
1.0
V
V
OH
High-Level Output Voltage Silver, Brass I
OUT
= -16 mA 8.9 6.5 5.5 — V
V
OUT
Output Voltage Strobe
(For Line Regulation, See Pin Descriptions)
Inactive, I
OUT
= 1.0 μA
Active, I
OUT
= 100 to 500 μA
(Load Regulation)
4.0
9.0
—
9.0
V
DD
-0.1
V
DD
-5.4
—
V
DD
-4.6
V
I
OH
High-Level Output Current I/O Local Smoke, V
OUT
= 4.5 V
Local Smoke, V
OUT
= V
SS
(Short Circuit Current)
7.0
—
6.5
12
-4.0
—
—
-16
mA
I
OZ
Off-State Output Leakage Current LED V
OUT
= V
SS
or V
DD
11 12 — ±100 nA
V
OL
Active 1.0 mA — 6.5 — 0.5 V
V
IC
Common Mode C1, C2, Detect
Voltage Range
Local Smoke, Pushbutton, or
Chamber Sensitivity Test
——V
DD
-4.0 V
DD
-2.0 V
V
REF
Smoke Comparator Internal
Reference Voltage
Local Smoke, Pushbutton, or
Chamber Sensitivity Test
——V
DD
-3.9 V
DD
-3.1 V
V
REF-HI
High Smoke Comparator Internal
Reference Voltage
Local Smoke, Pushbutton, or
Chamber Sensitivity Test
——V
REF
-
0.52
V
REF
-0.48 V
Table 2. Electrical Characteristics (Voltages Referenced to V
SS
, T
A
= -10 to 60°C unless otherwise indicated.) (continued)
Table 3. AC Electrical Characteristics (Refer to Timing Diagram Figure 3 and Figure 4. T
A
= 25°C, V
DD
= 9.0 V,
Component Values from Figure 5.)
No. Symbol Parameter Test Condition Clocks
Min
(1)
Typ
(2)
Max
(1)
Unit
11/f
OSC
Oscillator period Free-running Saw tooth
Measured at Pin 12
1.0 9.5 10.5 11.5 ms
2t
LED
LED Pulse Period No Local Smoke, and No
Remote Smoke
4096 38.9 43 47.1 s
3 Remote Smoke, but No Local
Smoke
—— — —
4 Local Smoke 64 0.6 0.67 0.74
5 Pushbutton Test 64 0.6 0.67 0.74
? Pushbutton Test with
Alarm Memory
4.0 38 42 46 ms
6t
w(LED)
,
t
w(stb)
LED Pulse Width and Strobe Pulse
Width
Remote Smoke but No Local
Smoke
1.0 9.5 10.5 11.5 ms
7t
IRED
IRED Pulse Period Smoke Test 1024 9.67 10.8 11.83 s
8 Chamber Sensitivity Test,
Without Local Smoke
4096 38.9 43 47.1
9 Local Smoke, in Speed-Up 128 1.2 1.3 1.5
Pushbutton Test 128 1.2 1.3 1.5
10 t
w(IRED)
IRED Pulse Width T
f
*94 — 116 μs
11 t
MOD
Silver and Brass Modulation Period
Local or Remote Smoke
32 304 336 368 ms
12 t
ON
/t
MOD
Silver and Brass Duty Cycle Local or
Remote Smoke
—73 75 77 %