74LVCH244ABX: Octal buffer/line driver; 3-state
The 74LVC244A; 74LVCH244A is an octal non-inverting buffer/line driver with 3-state outputs. The 3-state outputs are controlled by the output enable inputs 1OE and 2OE. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Schmitt-trigger action at all inputs makes the circuit highly tolerant for slower input rise and fall times.
Inputs can be driven from either 3.3 V or 5.0 V devices. In 3-state operation, outputs can handle 5 V. These features allow the use of these devices as translators in a mixed 3.3 V and 5 V environment.
The 74LVCH244A bus hold on data inputs eliminates the need for external pull-up resistors to hold unused inputs.
74LVCH244ABX: Product Block Diagram
Data Sheets (1)
| Name/Description | Modified Date |
|---|---|
| Octal buffer/line driver; 3-state (REV 8.0) PDF (145.0 kB) 74LVC_LVCH244A [English] | 26 Jun 2013 |
Application Notes (5)
| Name/Description | Modified Date |
|---|---|
| Sorting through the low voltage logic maze (REV 1.0) PDF (72.0 kB) AN10156 [English] | 13 Mar 2013 |
| Package lead inductance considerations in high-speed applications (REV 1.0) PDF (43.0 kB) AN212 [English] | 13 Mar 2013 |
| Pin FMEA for LVC family (REV 1.0) PDF (44.0 kB) AN11009 [English] | 04 Feb 2011 |
| Power considerations when using CMOS and BiCMOS logic devices (REV 1.0) PDF (100.0 kB) AN263 [English] | 05 Feb 2002 |
| Interfacing 3 Volt and 5 Volt Applications (REV 1.0) PDF (63.0 kB) AN240 [English] | 15 Sep 1995 |
Brochures (1)
| Name/Description | Modified Date |
|---|---|
| Low voltage CMOS family - LVC (REV 1.0) PDF (2.6 MB) 75017668 [English] | 10 Jul 2015 |
Selector Guides (2)
| Name/Description | Modified Date |
|---|---|
| ロジック製品セレクションガイド... (REV 1.0) PDF (38.3 MB) LOGIC_SELECTION_GUIDE_2015_JP [English] | 19 Nov 2015 |
| Logic selection guide 2016 (REV 1.1) PDF (15.3 MB) 75017285 [English] | 08 Jan 2015 |
Package Information (1)
| Name/Description | Modified Date |
|---|---|
| Plastic dual in-line compatible thermal enhanced extremely thin quad flat package; no leads; 20 terminals (REV 1.0) PDF (150.0 kB) SOT1045-2 [English] | 10 Feb 2016 |
IBIS Model
- lvch244a IBIS model (REV 1.0) ibs LVCH244A 4/7/2013
SPICE model
- lvc Spice model (REV 1.0) ZIP LVC 5/7/2013
Ordering Information
| Product | Status | Family | VCC (V) | Function | Logic switching levels | Description | Package version | Output drive capability (mA) | fmax (MHz) | No of bits | tpd (ns) | Power dissipation considerations | Tamb (Cel) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name | No of pins |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LVCH244ABX | Active | LVC | 1.2 - 3.6 | Buffers/inverters/drivers | CMOS/LVTTL | octal buffer/line driver with bus hold (3-state) | SOT1045-2 | +/- 24 | 175 | 8 | 2.8 | low | -40~125 | 50 | 23.0 | DHXQFN20 | 20 |
Package Information
| Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | EFR | IFR(FIT) | MTBF(hour) | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LVCH244ABX |  | SOT1045-2 | Reel 7" Q1/T1 | Active | 74LVCH244ABX,115 (9352 899 34115) | LVCH244A | 74LVCH244ABX |    | Always Pb-free | 123.8 | 3.87 | 2.58E8 | 1 | 1 |
