|
|
零件编号 | 54AC821 | ||
描述 | 10-Bit D Flip-Flop | ||
制造商 | National Semiconductor | ||
LOGO | |||
1 Page
www.DataSheet4U.com
August 1998
54AC821 • 54ACT821
10-Bit D Flip-Flop with TRI-STATE® Outputs
General Description
The ’AC/’ACT821 is a 10-bit D flip-flop with TRI-STATE out-
puts arranged in a broadside pinout.
The ’AC/’ACT821 is functionally identical to the AM29821.
Features
n TRI-STATE outputs for bus interfacing
n Noninverting outputs
n Outputs source/sink 24 mA
n ’ACT821 has TTL-compatible inputs
n Standard Microcircuit Drawing (SMD)
— ’ACT821: 5962-88705
— ’AC821: 5962-91606
Logic Symbols
Connection Diagrams
Pin Assignment
for DIP and Flatpak
IEEE/IEC
DS100355-1
Pin Names
D0– D9
O0– O9
OE
CP
DS100355-2
Description
Data Inputs
Data Outputs
Output Enable Input
Clock Input
DS100355-3
Pin Assignment for LCC
DS100355-4
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100355
www.national.com
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
24 Lead Ceramic Flatpak (F)
NS Package Number W24C
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE-
VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI-
CONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or sys- 2. A critical component in any component of a life support
tems which, (a) are intended for surgical implant into
device or system whose failure to perform can be rea-
the body, or (b) support or sustain life, and whose fail-
sonably expected to cause the failure of the life support
ure to perform when properly used in accordance
device or system, or to affect its safety or effectiveness.
with instructions for use provided in the labeling, can
be reasonably expected to result in a significant injury
to the user.
National Semiconductor
Corporation
Americas
Tel: 1-800-272-9959
Fax: 1-800-737-7018
Email: [email protected]
www.national.com
National Semiconductor
Europe
Fax: +49 (0) 1 80-530 85 86
Email: [email protected]
Deutsch Tel: +49 (0) 1 80-530 85 85
English Tel: +49 (0) 1 80-532 78 32
Français Tel: +49 (0) 1 80-532 93 58
Italiano Tel: +49 (0) 1 80-534 16 80
National Semiconductor
Asia Pacific Customer
Response Group
Tel: 65-2544466
Fax: 65-2504466
Email: [email protected]
National Semiconductor
Japan Ltd.
Tel: 81-3-5620-6175
Fax: 81-3-5620-6179
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
|
|||
页数 | 8 页 | ||
下载 | [ 54AC821.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
54AC821 | 10-Bit D Flip-Flop | National Semiconductor |
54AC821 | 10-Bit D Flip-Flop with TRI-STATE Outputs | Texas Instruments |
零件编号 | 描述 | 制造商 |
STK15C88 | 256-Kbit (32 K x 8) PowerStore nvSRAM | Cypress Semiconductor |
NJM4556 | DUAL HIGH CURRENT OPERATIONAL AMPLIFIER | New Japan Radio |
EL1118-G | 5 PIN LONG CREEPAGE SOP PHOTOTRANSISTOR PHOTOCOUPLER | Everlight |
DataSheet8.cn | 2020 | 联系我们 | 搜索 | Simemap |