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54F398FCQB 查看數據表(PDF) - National ->Texas Instruments

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54F398FCQB Quad 2-Port Register National-Semiconductor
National ->Texas Instruments National-Semiconductor
54F398FCQB Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Connection Diagrams (Continued)
’F399
Logic Symbols
’F398
TL F 9533–7
IEEE IEC
’F398
TL F 9533 – 8
’F399
TL F 9533–2
TL F 9533–4
’F399
TL F 9533 – 1
Unit Loading Fan Out
Pin Names
Description
S
CP
I0a – I0d
I1a – I1d
Qa – Qd
Qa – Qd
Common Select Input
Clock Pulse Input (Active Rising Edge)
Data Inputs from Source 0
Data Inputs from Source 1
Register True Outputs
Register Complementary Outputs (’F398)
54F 74F
UL
HIGH LOW
10 10
10 10
10 10
10 10
50 33 3
50 33 3
Input IIH IIL
Output IOH IOL
20 mA b0 6 mA
20 mA b0 6 mA
20 mA b0 6 mA
20 mA b0 6 mA
b1 mA 20 mA
b1 mA 20 mA
2
TL F 9533 – 3
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