Part Number
|
54F399 |
Manufacturer
|
National Semiconductor |
Description
|
(54F398 / 54F399) Quad 2-Port Register |
Published
|
Dec 9, 2006 |
Detailed Description
|
com
54F 74F398 54F 74F399 Quad 2-Port Register
May 1995
54F 74F398 54F 74F399 Quad 2-Port Registe...
|
Datasheet
|
54F399
|
Overview
com
54F 74F398 54F 74F399 Quad 2-Port Register
May 1995
54F 74F398 54F 74F399 Quad 2-Port Register
General Description
The ’F398 and ’F399 are the logical equivalents of a quad 2-input multiplexer feeding into four edge-triggered flipflops A common Select input determines which of the two 4-bit words is accepted The selected data enters the flipflops on the rising edge of the clock The ’F399 is the 16-pin version of the ’F398 with only the Q outputs of the flip-flops available
Features
Y Y Y Y
Select inputs from two data sources Fully positive edge-triggered operation Both true and complement outputs ’F398 Guaranteed 4000V minimum ESD protection
’F399
Commercial 74...
Similar Datasheet