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ICM7555IN Datasheet, PDF (10/22 Pages) NXP Semiconductors – General purpose CMOS timer
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NXP Semiconductors
ICM7555
General purpose CMOS timer
102
C (µF)
10
002aae415
1
10−1
10−2
10−3
10−4
1 kΩ
10 kΩ
100 kΩ
1 MΩ
10 MΩ
10−5
10−1
1
10
102
103
104
105
106
107
f (Hz)
VDD = 5 V; Tamb = +25 °C
Fig 12. Free-running frequency as a function of RA, RB resistance and external
capacitance
102
C (µF)
10
1
10−1
1 kΩ
10 kΩ
100 kΩ
1 MΩ
10 MΩ
002aae416
10−2
10−3
10−4
10−5
10−7
10−6
10−5
10−4
10−3
10−2
10−1
1
10
td (s)
VDD = 5 V; Tamb = +25 °C
Fig 13. Monostable time delay versus RA resistance and external capacitance
ICM7555_2
Product data sheet
Rev. 02 — 3 August 2009
© NXP B.V. 2009. All rights reserved.
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