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M74HCT245B1R bảng dữ liệu(PDF) 4 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)
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M74HCT245
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CAPACITIVE CHARACTERISTICS
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per circuit)
TEST CIRCUIT
CL = 50pF/150pF or equivalent (includes jig and probe capacitance)
R1 = 1KΩ or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
DIR, G
5
101010
pF
CI/OUT
Output
Capacitance
An, Bn
13
pF
CPD
Power Dissipation
Capacitance (note
1)
41
pF
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
VCC
tPZH, tPHZ
GND


Số phần tương tự - M74HCT245B1R

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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STMicroelectronics		 M74HCT245B1R STMICROELECTRONICS-M74HCT245B1R Datasheet
264Kb / 11P		    OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING
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Mô tả tương tự - M74HCT245B1R

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