74F299 8-bit Shift Register

Name: 74F299 8-bit Shift Register
Brand: Texas Instruments

74F299

Texas Instrumentsic logic

The SN74F299 is an obsolete 8-bit shift register that can operate in four modes: Hold, Shift Right, Shift Left, and Load Data.

Manufacturer datasheet

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Specifications

Operating Voltage: 4.5 V to 5.5 V
Supply Current: 68 mA (max) (SN74F299N, SN74F299NSR)
Interface: GPIO
Resolution: 8-bit
Range: 0 to 70°C (operating temperature)

Pinout

Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.

Pin	Name	Functions	Notes
1	S0	GPIO	Function select input
2	OE1	GPIO	Output enable 1
3	OE2	GPIO	Output enable 2
4	G/QG	GPIO	General purpose input/output or quasi-quad function select
5	E/QE	GPIO	Enable/quasi-enable function
6	C/QC	GPIO	Clock input or quasi-clock function
7	A/QA	GPIO	Data input A or quasi-data input A
8	QA'	GPIO	Data output A or quasi-data output A
9	CLR	GPIO	Clear input
10	GND	GND	Ground
11	VCC	POWER	Supply voltage
12	S1	GPIO	Function select input
13	B/QB	GPIO	Data input B or quasi-data input B
14	D/QD	GPIO	Data input D or quasi-data input D
15	E/QE	GPIO	Enable/quasi-enable function (repeated)
16	F/QF	GPIO	Data input F or quasi-data input F
17	G/QG	GPIO	General purpose input/output or quasi-quad function select (repeated)
18	H/QH	GPIO	Data input H or quasi-data input H
19	SL	GPIO	Shift left serial input
20	CLK	GPIO	Clock input or shift right serial input

Interactive pinout

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