ETL9344 查看數據表（PDF） - STMicroelectronics
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ETL9344 Datasheet PDF : 27 Pages
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ET L9 44 4/ 94 4 5 –ET L 9 344 / 9 3 45
ETL9344/L9345
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
Voltage at any Pin Relative to GND
– 0.5 to + 10
V
Ambient Operating Temperature
– 40 to + 85
°C
Ambient Storage Temperature
– 65 to + 150
°C
Lead Temperature (soldering, 10 seconds)
300
°C
Power Dissipation
0.75W at 25°C
0.25W at 85°C
Total Source Current
120
mA
Total Sink Current
120
mA
Absolute maximum ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications are not en-
sured when operating the device at absolute maximum ratings.
DC ELECTRICAL CHARACTERISTICS – 40°C ≤ TA ≤ + 85°C, 4.5V ≤ VCC ≤ 7.5V
(unless otherwise specified)
Parameter
Test Conditions
Min.
Standard Operating Voltage (V CC) Note 1
4.5
Optional Operating Voltage (V CC)
4.5
Power Supply Ripple
Peak to Peak
Operating Supply Current
All Inputs and Outputs Open
Input Voltage Levels
CKI Input Levels
Crystal Input
Logic High (V IH)
Logic Low (V IL )
Schmitt Trigger Input
Logic High (V IH)
Logic Low (V IL )
RESET Input Levels
Logic High
Logic Low
SO Input Level (test mode)
All Other Inputs
Logic High
Logic High
Logic Low
Logic High
Logic Low
Input Capacitance
Hi-Z Input Leakage
Schmitt Trigger Input
VCC = Max.
With TTL trip level options
selected, VCC = 5V ± 5%
With high trip level options
selected
2.2
– 0.3
0.7 VCC
– 0.3
0.7 VCC
– 0.3
2.2
3.0
2.2
– 0.3
3.6
– 0.3
–2
Output Voltage Levels
LSTTL Operation
Logic High (V OH)
Logic Low (V OL )
CMOS Operation
Logic High
Logic Low
VCC = 5V ± 5%
I OH = – 20µA
I OL = 0.36mA
I OH = – 10µA
I OL = + 10µA
2.7
VCC – 1
Note : 1. VCC voltage change must be less than 0.5V in a 1ms period to maintain proper operation.
Max.
5.5
7.5
0.5
15
0.3
0.4
0.4
2.5
0.6
1.2
7
+2
0.4
0.2
Unit
V
V
V
mA
V
V
V
V
V
V
V
V
V
V
V
V
pF
µA
V
V
V
V
5/27
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