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參數(shù)資料
| 型號(hào)： | ELM381 |
| 廠(chǎng)商： | Electronic Theatre Controls, Inc. |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | 60 Hz Long Interval Counter |
| 中文描述： | 60赫茲的時(shí)間間隔計(jì)數(shù)器 |
| 文件頁(yè)數(shù)： | 3/4頁(yè) |
| 文件大?。?/td> | 30K |
| 代理商： | ELM381 |
< http://www.elmelectronics.com/ >ELM381
Electrical Characteristics
Absolute Maximum Ratings
Storage Temperature.......................-65°C to +150°C
Ambient Temperature with
Power Applied....................................-40°C to +85°C
Voltage on V
DD
with respect to V
SS
............0 to +7.5V
Voltage on any other pin with
respect to V
SS
........................... -0.6V to (V
DD
+ 0.6V)
Note:
Stresses beyond those listed here will likely damage
the device. These values are given as a design
guideline only. The ability to operate to these levels
is neither inferred nor recommended.
3 of 4
All values are for operation at 25°C and a 5V supply, unless otherwise noted. For further information, refer to note 1 below.
Characteristic
Minimum
Typical
Maximum
Conditions
Units
Supply Voltage, V
DD
3.0
5.0
5.5
V
V
DD
rate of rise
0.05
V/ms
Average Supply Current, I
DD
1.0
2.4
mA
V
DD
= 5V
Notes:
1. This integrated circuit is produced with a Microchip Technology Inc.’s PIC12C5XX as the core embedded
microcontroller. For further device specifications, and possibly clarification of those given, please refer to the
appropriate Microchip documentation.
2. This specification must be met in order to ensure that a correct power on reset occurs. It is quite easily
achieved using most common types of supplies, but may be violated if one uses a slowly varying supply
voltage, as may be obtained through direct connection to solar cells, or some charge pump circuits.
3. The value of the internal pullup resistance is both supply and temperature dependent.
4. This refers to the current flowing through the protection diodes when large voltages are applied to the clock
input (pin 5) through a current limiting resistance. Currents quoted are the maximum continuous.
Input low voltage
V
SS
0.15 V
DD
V
Input high voltage
V
DD
V
0.85 V
DD
Output low voltage
0.6
V
Output high voltage
V
V
DD
- 0.7
Current (sink) = 8.7mA
Current (source) = 5.4mA
Internal pullup resistance
300
500
600
K
Pin 4 (reset) – see note 3
see note 2
ELM381DSA
Operating Frequency
Hz
60
Input current
-0.5
+0.5
mA
Clock input only – see note 4
0
10K
Reset Pulse Width
10
μs
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