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參數(shù)資料
| 型號： | 933975630623 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬波形發(fā)生器 |
| 英文描述： | PULSE, 0.5 MHz, TIMER, PDSO8 |
| 封裝： | PLASTIC, SOT-96, SO-8 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 66K |
| 代理商： | 933975630623 |
Philips Semiconductors Linear Products
Product specification
ICM7555
General purpose CMOS timer
August 31, 1994
339
DC AND AC ELECTRICAL CHARACTERISTICS
TA = 25°C unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNITS
SYMBOL
PARAMETER
TEST CONDITIONS
ICM7555
UNITS
MIN
TYP
MAX
VDD
Supply voltage
TMIN < TA < TMAX
3
16
V
IDD
Supply current1
VDD = VMIN
VDD = VMAX
50
180
200
300
A
Astable mode timing2
Initial accuracy
Drift with supply voltage
Drift with temperature3
RA, RB = 1k to 100k, C = 0.1F
5V <V
DD <15V
VDD = 5V
VDD = 10V
VDD = 15V
1.0
0.1
50
75
100
5.0
3.0
%
%/V
ppm/oC
VTH
Threshold voltage
VDD = 5V
0.63
0.65
0.67
xVDD
VTRIG
Trigger voltage
VDD = 5V
0.29
0.31
0.34
xVDD
ITRIG
Trigger current
VDD = VTRIG = VMAX
VDD = VTRIG = 5V
VDD = VTRIG = VMIN
50
10
1
pA
ITH
Threshold current
VDD = VTH = VMAX
VDD = VTH = 5V
VDD = VTH = VMIN
50
10
1
pA
IRST
Reset current
VDD = VRST = VMAX
VDD = VRST =
5V
VDD = VRST = VMIN
100
20
2
pA
VRST
Reset voltage
VDD = VMIN and VMAX
0.4
0.7
1.0
V
VCV
Control voltage
VDD = 5V
0.62
0.65
0.67
xVDD
VOL
Output voltage (low)
VDD = VMAX, ISINK = 3.2mA
VDD = 5V,
ISINK = 3.2mA
0.1
0.2
0.4
V
VOH
Output voltage (high)
VDD = VMAX, ISOURCE = -1.0mA
VDD = 5V,
ISOURCE = -1.0mA
15.25
4.0
15.7
4.5
VDD
VDIS
Discharge output voltage
VDD = 5V, IDIS = 10.0mA
0.2
0.4
V
tR
Rise time of output3
RL = 10M, CL = 10pF, VDD =
5V
45
75
ns
tF
Fall time of output3
RL = 10M, CL = 10pF, VDD =
5V
20
75
ns
FMAX
Maximum oscillator frequency
(astable mode)
500
kHz
NOTES:
1. The supply current value is essentially independent of the TRIGGER, THRESHOLD, and RESET voltages.
2. Astable timing is calculated using the following equation: f =
1.38
(RA + 2RB)C
. The components are defined in Figure 2.
3. Parameter is not 100% tested.
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