SN74AHC8541 8-BIT INVERTING/NONINVERTING SCHMITT-TRIGGER BUFFERS W/3-STATE OUT datasheet (Texas Instruments)
| 制造商 | Texas Instruments |
| 描述 | 8-bit Inverting/Non-Inverting Schmitt-Trigger Buffer With 3-state Outputs |
| 页数 / 页 | 8 / 1 — SN74AHC8541. www.ti.com. 8-BIT INVERTING/NON-INVERTING SCHMITT-TRIGGER … |
| 文件格式/大小 | PDF / 363 Kb |
| 文件语言 | 英语 |
SN74AHC8541. www.ti.com. 8-BIT INVERTING/NON-INVERTING SCHMITT-TRIGGER BUFFER WITH 3-STATE OUTPUTS. FEATURES. N OR PW PACKAGE
文件文字版本
SN74AHC8541 www.ti.com
... SCLS716 – APRIL 2009
8-BIT INVERTING/NON-INVERTING SCHMITT-TRIGGER BUFFER WITH 3-STATE OUTPUTS FEATURES 1 N OR PW PACKAGE
•
Operating Range of 2 V to 5.5 V VCC (TOP VIEW)
•
8-Bit Inverting/Non-Inverting Outputs
T/C 1 20 VCC •
20-Pin Thin Shrink Small-Outline Package
D1 2 19 Y1
[TSSOP (PW)] and 20-Pin Plastic Dual-In-Line
D2 3 18 Y2
Package [PDIP (N)]
D3 4 17 Y3 D4 5 16 Y4 D5 6 15 Y5 D6 7 14 Y6 D7 8 13 Y7 D8 9 12 Y8 GND 10 11 OE
DESCRIPTION
The SN74AHC8541 8-bit inverting/non-inverting buffers are ideal for driving bus lines or buffer memory address registers. These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout. All outputs are in the high-impedance state (disabled) when the output-enable (OE) input is high. When OE is low, the respective gate passes the data from the D input to its Y output. The T/C input selects inverting or non-inverting data transfer. When the T/C input is high, it provides non-inverting buffers. When the T/C input is low, it provides inverting buffers when they are not in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
FUNCTION TABLE (EACH BUFFER)(1) INPUTS OUTPUT Y OE T/C D
L H H H L H L L L L H L L L L H H X X Z (1) L: Low-level H: High-level X: Irrelevant Z: High-impedance (off) 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2009, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Document Outline FEATURES DESCRIPTION ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS SWITCHING CHARACTERISTICS NOISE CHARACTERISTICS PARAMETER MEASUREMENT INFORMATION
... SCLS716 – APRIL 2009
8-BIT INVERTING/NON-INVERTING SCHMITT-TRIGGER BUFFER WITH 3-STATE OUTPUTS FEATURES 1 N OR PW PACKAGE
•
Operating Range of 2 V to 5.5 V VCC (TOP VIEW)
•
8-Bit Inverting/Non-Inverting Outputs
T/C 1 20 VCC •
20-Pin Thin Shrink Small-Outline Package
D1 2 19 Y1
[TSSOP (PW)] and 20-Pin Plastic Dual-In-Line
D2 3 18 Y2
Package [PDIP (N)]
D3 4 17 Y3 D4 5 16 Y4 D5 6 15 Y5 D6 7 14 Y6 D7 8 13 Y7 D8 9 12 Y8 GND 10 11 OE
DESCRIPTION
The SN74AHC8541 8-bit inverting/non-inverting buffers are ideal for driving bus lines or buffer memory address registers. These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout. All outputs are in the high-impedance state (disabled) when the output-enable (OE) input is high. When OE is low, the respective gate passes the data from the D input to its Y output. The T/C input selects inverting or non-inverting data transfer. When the T/C input is high, it provides non-inverting buffers. When the T/C input is low, it provides inverting buffers when they are not in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
FUNCTION TABLE (EACH BUFFER)(1) INPUTS OUTPUT Y OE T/C D
L H H H L H L L L L H L L L L H H X X Z (1) L: Low-level H: High-level X: Irrelevant Z: High-impedance (off) 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2009, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Document Outline FEATURES DESCRIPTION ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS SWITCHING CHARACTERISTICS NOISE CHARACTERISTICS PARAMETER MEASUREMENT INFORMATION