ICM7555 Ver la hoja de datos (PDF) - Renesas Electronics
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componentes Descripción
Fabricante
ICM7555 Datasheet PDF : 13 Pages
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ICM7555, ICM7556
Electrical Specifications Applies to ICM7555 and ICM7556, unless otherwise specified. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TA = +25°C
MIN TYP MAX
Reset Current
Discharge Leakage
Output Voltage
Discharge Output Voltage
Supply Voltage (Note 7)
Output Rise Time (Note 7)
Output Fall Time (Note 7)
Oscillator Frequency (Note 7)
IRST
IDIS
VOL
VOH
VDIS
VDD
tR
tF
fMAX
VDD = 15V
VDD = 15V
VDD = 15V, ISINK = 20mA
VDD = 5V, ISINK = 3.2mA
VDD = 15V, ISOURCE = 0.8mA
VDD = 5V, ISOURCE = 0.8mA
VDD = 5V, ISINK = 15mA
VDD = 15V, ISINK = 15mA
Functional Operation
RL = 10M, CL = 10pF, VDD = 5V
RL = 10M, CL = 10pF, VDD = 5V
VDD = 5V, RA = 470Ω, RB = 270Ω,
C = 200pF
10
10
0.4 1.0
0.2 0.4
14.3 14.6
4.0 4.3
0.2 0.4
2.0
18.0
75
75
1
NOTES:
7. These parameters are based upon characterization data and are not tested.
Functional Diagram
THRESHOLD
6
5
CONTROL
VOLTAGE
VDD
8
4
FLIP-FLOP
RESET
R COMPARATOR
A
+
-
R
+
TRIGGER
2
-
OUTPUT
DRIVERS
OUTPUT
3
7 DISCHARGE
n
1
R COMPARATOR
B
1
GND
NOTE: This functional diagram reduces the circuitry down to its simplest equivalent components. Tie down unused inputs.
FIGURE 1. FUNCTIONAL DIAGRAM
UNIT
nA
nA
V
V
V
V
V
V
V
ns
ns
MHz
TRUTH TABLE
THRESHOLD VOLTAGE
TRIGGER VOLTAGE
RESET
NOTE:
Don’t Care
Don’t Care
Low
>2/3(V+)
>1/3(V+)
High
<2/3(V+)
>1/3(V+)
High
Don’t Care
<1/3(V+)
High
RESET will dominate all other inputs: TRIGGER will dominate over THRESHOLD.
OUTPUT
Low
Low
Stable
High
DISCHARGE SWITCH
On
On
Stable
Off
FN2867 Rev.10.01
Mar 5, 2020
Page 4 of 13
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