ICM7555IN Datasheet, PDF (2/22 Pages) NXP Semiconductors – General purpose CMOS timer

NXP Semiconductors
ICM7555
General purpose CMOS timer
3. Applications
I Precision timing
I Pulse generation
I Sequential timing
I Time delay generation
I Pulse width modulation
I Pulse position modulation
I Missing pulse detector
4. Ordering information
Table 1. Ordering information
Type number Temperature range Package
Name Description
ICM7555CD
ICM7555ID
ICM7555CN
ICM7555IN
T_amb = 0 °C to +70 °C SO8
T_amb = −40 °C to +85 °C
T_amb = 0 °C to +70 °C DIP8
T_amb = −40 °C to +85 °C
plastic small outline package; 8 leads; body width 3.9 mm
plastic dual in-line package; 8 leads (300 mil)
Version
SOT96-1
SOT97-1
5. Functional diagram
flip-flop
V_DD
RESET
8
4
THRESHOLD
CONTROL_VOLTAGE
6
5
TRIGGER ²
R
comparator A
R
comparator B
R
1
GND
output
drivers
3 _OUTPUT
DISCHARGE
7
N
1
GND
002aae403
Remark: Unused inputs should be connected to appropriate voltage from Table 3.
Fig 1. Functional diagram
ICM7555_2
Product data sheet
Rev. 02 — 3 August 2009
© NXP B.V. 2009. All rights reserved.
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