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Part Number: M74HC245
Description: The M74HC245 is an advanced high-speed CMOS OCTAL BUS TRANSCEIVER (3-STATE) fabricated with silicon ga...
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M74HC245
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General Description
M74HC245 General Description
The M74HC245 is an advanced high-speed CMOS OCTAL BUS TRANSCEIVER (3-STATE) fabricated with silicon gate C2MOS technology. This IC is intended for two-way asynchronous communication between data buses, and the direction of data transmission is determined by DIR input. The enable input G can be used to disable the device so that the buses are effectively isolated.
All inputs are equipped with protection circuits against static discharge and transient excess voltage.
All floating bus terminals during High Z State must be held HIGH or LOW.
M74HC245 Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit |
|
VCC |
Supply Voltage |
-0.5 to +7 |
V |
|
VI |
DC Input Voltage |
-0.5 to VCC + 0.5 |
V |
|
VO |
DC Output Voltage |
-0.5 to VCC + 0.5 |
V |
|
IIK |
DC Input Diode Current |
± 20 |
mA |
|
IOK |
DC Output Diode Current |
± 20 |
mA |
|
IO |
DC Output Source Sink Current Per Output Pin |
± 35 |
mA |
|
ICC or IGND |
DC VCC or Ground Current |
± 70 |
mA |
|
PD |
Power Dissipation |
500 (*) |
mW |
|
Tstg |
Storage Temperature |
-65 to +150 |
°C |
|
TL |
Lead Temperature (10 sec) |
300 |
°C |
M74HC245 Features
`HIGH SPEED: tPD = 10ns (TYP.) at VCC = 6V
`LOW POWER DISSIPATION: ICC = 4A(MAX.) at TA=25°C
`HIGH NOISE IMMUNITY: VNIH = VNIL = 28 % VCC (MIN.)
`SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 6mA (MIN)
`BALANCED PROPAGATIOn DELAYS: tPLH @ tPHL
`WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V
`PIn AND FUNCTIOn COMPATIBLE WITH 74 SERIES 245
`LOW POWER DISSIPATION: ICC = 4A(MAX.) at TA=25°C
`HIGH NOISE IMMUNITY: VNIH = VNIL = 28 % VCC (MIN.)
`SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 6mA (MIN)
`BALANCED PROPAGATIOn DELAYS: tPLH @ tPHL
`WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V
`PIn AND FUNCTIOn COMPATIBLE WITH 74 SERIES 245
M74HC245 Connection Diagram
M74HC245
PDF/DataSheet Download
- Datasheet: M74HC245
- File Size: 266265 KB
- Manufacturer: STMicroelectronics
- Click here to Download
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