Specification	SN74LVT244BDWR

Current - Output High, Low [custom]	64 mA
Current - Output High, Low [custom]	32 mA
Logic Type	Buffer, Non-Inverting
Mounting Type	Surface Mount
Number of Bits per Element	4
Number of Elements	2
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Type	3-State
Package / Case	20-SOIC
Package / Case [y]	0.295 in
Package / Case [y]	7.5 mm
Supplier Device Package	20-SOIC
Voltage - Supply [Max]	3.6 V
Voltage - Supply [Min]	2.7 V

SN74LVT244B Series

8-ch, 2.7-V to 3.6-V buffers with TTL-compatible CMOS inputs and 3-state outputs

Part	Number of Bits per Element	Operating Temperature [Max]	Operating Temperature [Min]	Number of Elements	Supplier Device Package	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Output Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Mounting Type	Package / Case [y]	Package / Case	Package / Case [x]	Logic Type	Package / Case [y]	Package / Case	Package / Case
Texas Instruments SN74LVT244BPWR	4	85 °C	-40 °C	2	20-TSSOP	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount	4.4 mm	20-TSSOP	0.173 in	Buffer Non-Inverting
Texas Instruments SN74LVT244BDW	4	85 °C	-40 °C	2	20-SOIC	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount	0.295 in	20-SOIC		Buffer Non-Inverting	7.5 mm
Texas Instruments SN74LVT244BPWRG4	4	85 °C	-40 °C	2	20-TSSOP	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount	4.4 mm	20-TSSOP	0.173 in	Buffer Non-Inverting
Texas Instruments SN74LVT244BDBR	4	85 °C	-40 °C	2	20-SSOP	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount		20-SSOP		Buffer Non-Inverting
Texas Instruments SN74LVT244BNSR	4	85 °C	-40 °C	2	20-SO	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount		20-SOIC		Buffer Non-Inverting		0.209 "	5.3 mm
Texas Instruments SN74LVT244BPWG4	4	85 °C	-40 °C	2	20-TSSOP	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount	4.4 mm	20-TSSOP	0.173 in	Buffer Non-Inverting
Texas Instruments SN74LVT244BDBRE4	4	85 °C	-40 °C	2	20-SSOP	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount		20-SSOP		Buffer Non-Inverting
Texas Instruments SN74LVT244BDWR	4	85 °C	-40 °C	2	20-SOIC	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount	0.295 in	20-SOIC		Buffer Non-Inverting	7.5 mm
Texas Instruments SN74LVT244BPW	4	85 °C	-40 °C	2	20-TSSOP	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount	4.4 mm	20-TSSOP	0.173 in	Buffer Non-Inverting
Texas Instruments SN74LVT244BRGYR	4	85 °C	-40 °C	2	20-VQFN (3.5x4.5)	64 mA	32 mA	3-State	2.7 V	3.6 V	Surface Mount		20-VFQFN Exposed Pad		Buffer Non-Inverting

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.87
		10	$ 0.78
		25	$ 0.74
		100	$ 0.61
		250	$ 0.57
		500	$ 0.50
		1000	$ 0.40
	Digi-Reel®	1	$ 0.87
		10	$ 0.78
		25	$ 0.74
		100	$ 0.61
		250	$ 0.57
		500	$ 0.50
		1000	$ 0.40
	Tape & Reel (TR)	2000	$ 0.37
		6000	$ 0.35
		10000	$ 0.34
Texas Instruments	LARGE T&R	1	$ 0.65
		100	$ 0.50
		250	$ 0.37
		1000	$ 0.26

Description

General part information

SN74LVT244B Series

This octal buffer and line driver is designed specifically for low-voltage (3.3-V) VCCoperation, but with the capability to provide a TTL interface to a 5-V system environment.

The SN74LVT244B is organized as two 4-bit line drivers with separate output-enable (OE)\ inputs. When OE\ is low, the device passes data from the A inputs to the Y outputs. When OE\ is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCCthrough a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.