SN74AHC541-Q1 Octal Buffer/Driver with 3-State Outputs

1 Features

Qualified for automotive applications
Operating range of 2V to 5.5V V _CC
Latch-up performance exceeds 250mA per JESD 17

2 Applications

3 Description

The SN74AHC541 octal buffer/driver is ideal for driving bus lines or buffer memory address registers. This device features inputs and outputs on opposite sides of the package to facilitate printed circuit board layout.

Package Information

PART NUMBER	PACKAGE⁽¹⁾	PACKAGE SIZE⁽²⁾	BODY SIZE⁽³⁾
SN74AHC541-Q1	PW (TSSOP, 20)	6.5mm × 6.4mm	6.5mm × 4.4mm

(1) For more information, see Section 11.

(2) The package size (length × width) is a nominal value and includes pins, where applicable.

(3) The body size (length × width) is a nominal value and does not include pins.

Logic Diagram (Positive Logic)

4 Pin Configuration and Functions

SN74AHC541-Q1 D or PW Package (Top
View)

Figure 4-1 D or PW Package (Top View)

Table 4-1 Pin Functions

PIN		I/O	DESCRIPTION
NAME	NO.	I/O	DESCRIPTION
OE1	1	I	Output Enable 1
A1	2	I	A1 Input
A2	3	I	A2 Input
A3	4	I	A3 Input
A4	5	I	A4 Input
A5	6	I	A5 Input
A6	7	I	A6 Input
A7	8	I	A7 Input
A8	9	I	A8 Input
GND	10	—	Ground
Y8	11	O	Y8 Output
Y7	12	O	Y7 Output
Y6	13	O	Y6 Output
Y5	14	O	Y5 Output
Y4	15	O	Y4 Output
Y3	16	O	Y3 Output
Y2	17	O	Y2 Output
Y1	18	O	Y1 Output
OE2	19	I	Output Enable 2
V_CC	20	—	Power Pin