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MM74HCT245 − Octal 3-STATE Transceiver
The MM74HCT245 3-STATE bi-directional buffer utilizes advanced silicon-gate CMOS technology and is intended for two-way asynchronous communication between data buses. It has high drive current outputs which enable high speed operation even when driving large bus capacitances. This circuit possesses the low power consumption of CMOS circuitry, yet has speeds comparable to low power Schottky TTL circuits. This device is TTL input compatible and can drive up to 15 LS-TTL loads, and all inputs are protected from damage due to static discharge by diodes to VCC and ground. The MM74HCT245 has one active low enable input (G#), and a direction control (DIR). When the DIR input is HIGH, data flows from the A inputs to the B outputs. When DIR is LOW, data flows from B to A. MM74HCT devices are intended to interface between TTL and NMOS components and standard CMOS devices. These parts are also plug-in replacements for LS-TTL devices and can be used to reduce power consumption in existing designs.
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Product Status/Pricing/Packaging
| Product | Product & Eco Status | *Pricing | Packaging & Packing Info | **Package Marking Convention | Qualification Support | Compliance Certificates |
|---|---|---|---|---|---|---|
| MM74HCT245SJ |
Full Production ROHS Compliant |
$0.3176 | SOP 20L Details RAIL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:HCT245SJ
|
FIT :
0.9
Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
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| MM74HCT245SJX |
Full Production ROHS Compliant |
$0.2682 | SOP 20L Details TAPE REEL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:HCT245SJ
|
FIT :
0.9
Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
|
| MM74HCT245MTC |
Full Production Green as of Aug 2011 |
$0.1798 | TSSOP 20L Details RAIL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:HCT245
|
FIT :
0.9
Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
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| MM74HCT245MTCX |
Full Production Green as of Aug 2011 |
$0.1798 | TSSOP 20L Details TAPE REEL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:HCT245
|
FIT :
0.9
Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
|
| MM74HCT245WM |
Full Production ROHS Compliant |
$0.2654 | SO 20L WB Details RAIL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:MM74HCT
Line 3:245WM |
FIT :
0.9
Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
|
| MM74HCT245WMX |
Full Production ROHS Compliant |
$0.2654 | SO 20L WB Details TAPE REEL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:MM74HCT
Line 3:245WM |
FIT :
0.9
Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
- Fairchild 1,000 piece Budgetary Pricing. *
- If there is no sample button displayed at the top of the page, please contact one of the Fairchild distributors or your local sales office to obtain samples.
- Top mark packaging information for product MM74HCT245 is available. **
Features
- TTL input compatible
- 3-STATE outputs for connection to system busses
- High output drive current: 6 mA (min)
- High speed: 16 ns typical propagation delay
- Low power: 80 µA (74HCT Series)
Applications
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Application Notes
| Application Note | Description |
|---|---|
| AN-368 | An Introduction to and Comparison of 74HCT TTL Compatible CMOS Logic(85 K) 05-Mar-2011 |
| AN-313 | DC Electrical Characteristics of MM74HC High Speed CMOS Logic(203 K) 05-Mar-2011 |
| AN-310 | High Speed CMOS (MM74HC) Processing(4,821 K) 05-Mar-2011 |
Models
For additional information please visit the Models page.
| Package | Condition | Temperature Range | Vcc Range | Software Version | Revision Date |
|---|---|---|---|---|---|
| IBIS | |||||
| TSSOP 20L | Electrical;Fast;Slow;Thermal;Typical | -40°C to 85°C | 4.5V to 5.5V | 2.1 | Feb 28, 2012 |
| SO 20L WB | Electrical;Fast;Slow;Thermal;Typical | -40°C to 85°C | 4.5V to 5.5V | 2.1 | Feb 28, 2012 |
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