ICM7226A_01 Datasheet, PDF (4/19 Pages) Intersil Corporation – 8-Digit, Multi-Function, Frequency Counter/Timer

ICM7226A, ICM7226B
Absolute Maximum Ratings
Maximum Supply Voltage (V_DD - V_SS). . . . . . . . . . . . . . . . . . . . 6.5V
Maximum Digit Output Current . . . . . . . . . . . . . . . . . . . . . . . . 400mA
Maximum Segment Output Current . . . . . . . . . . . . . . . . . . . . . 60mA
Voltage On Any Input or
Output Terminal (Note 1) . . . . . . . . . . . . . . V_DD +0.3V to V_SS -0.3V
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . -25^oC to 85^oC
Thermal Information
Thermal Resistance (Typical, Note 2)
θ_JA (^oC/W) θ_JC (^oC/W)
CERDIP Package . . . . . . . . . . . . . . . .
45
9
PDIP Package . . . . . . . . . . . . . . . . . . .
50
N/A
Maximum Junction Temperature
CERDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175^oC
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150^oC
Maximum Storage Temperature Range . . . . . . . . . . -55^oC to 150^oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300^oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. Destructive latchup may occur if input signals are applied before the power supply is established or if inputs or outputs are forced to
voltages exceeding V_DD or V_SS by 0.3V.
2. θ_JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications V_DD = 5.0V, T_A = 25^oC, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNITS
Operating Supply Current, I_DD
Supply Voltage Range (V_DD -V_SS), V_SUPPLY
Maximum Frequency INPUT A, Pin 40, f_A(MAX)
Display Off, Unused Inputs to V_SS
-25^oC to 85^oC, INPUT A,
INPUT B Frequency at f_MAX
-25^oC to 85^oC
4.75V < V_DD < 6.0V, Figure 9
Function = Frequency, Ratio,
Unit Counter
-
2
4.75
-
10
14
5
mA
6.0
V
-
MHz
Function = Period, Time Interval
Maximum Frequency INPUT B, Pin 2, f_B(MAX)
Minimum Separation INPUT A to INPUT B,
Time Interval Function
Oscillator Frequency and External Oscillator Frequency,
f_OSC
Oscillator Transconductance, g_M
-25^oC to 85^oC
4.75V < V_DD < 6.0V, Figure 10
-25^oC to 85^oC
4.75V < V_DD < 6.0V, Figure 1
-25^oC to 85^oC
4.75V < V_DD < 6.0V
V_DD -4.75V, T_A = 85^oC
Multiplex Frequency, f_MUX
f_OSC = 10MHz
Time Between Measurements
f_OSC = 10MHz
Input Rate of Charge, dV_IN/dt
Inputs A, B
Input Voltages: Pins 2, 19, 33, 39, 40, 35
Input Low Voltage, V_IL
Input High Voltage, V_lH
Pins 2, 39, 40, Input Leakage, A, B, I_ILK
Input Resistance to V_DD Pins 19, 33, R_IN
Input Resistance to V_SS Pin 31, R_IN
-25^oC to 85^oC
V_IN = V_DD -1.0V
V_IN = +1.0V
Output Current
Low Output Current, Pins 3, 5-7, 17, 18, 32, 38, I_OL
High Output Current, Pins 5-7, 17, 18, 32, H_OL
High Output Current, Pins 3, 38, H_OL
ICM7226A
V_OL = +0.4V
V_OH = +2.4V
V_OH = V_DD -0.8V
Segment Driver: Pins 8-11, 13-16
Low Output Current, I_OL
High Output Current, I_OH
V_O = +1.5V
V_O = V_DD -1.0V
2.5
-
2.5
-
250
-
0.1
-
2000
-
-
500
-
200
-
15
-
MHz
-
MHz
-
ns
10
MHz
-
µS
-
Hz
-
ms
-
mV/µs
-
-
1.0
V
3.5
-
-
V
-
-
20
µA
100
400
-
kΩ
50
100
-
kΩ
400
-
100
-
265
-
-
µA
-
µA
-
µA
25
35
-
mA
-
100
-
µA
4