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74F579 National 8-Bit Bidirectional Binary Counter Datasheet

74F579SCX 카운터 IC 이진 카운터 1 소자 8 비트 포지티브 에지 20-SOIC


National
74F579
Part Number 74F579
Manufacturer National
Description ...
Features ...

Document Datasheet 74F579 datasheet pdf (Direct Link)
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onsemi
74F579SCX
카운터 IC 이진 카운터 1 소자 8 비트 포지티브 에지 20-SOIC
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DigiKey

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Signetics
74F579
75 units: 3.145 USD
21 units: 3.4 USD
1 units: 5.1 USD
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Quest Components

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Philips Semiconductors
N74F579N
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Velocity Electronics

6 In Stock
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74F579N
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Chip 1 Exchange

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Motorola Semiconductor Products
MC74F579DW
42 units: 2.854 USD
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Bristol Electronics

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Philips Semiconductors
74F579D-T
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COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C 14–pin plastic DIP 14–pin plastic SO N74F5074N N74F5074D SOT27-1 SOT108-1 VCC = Pin 14 GND = Pin 7 1 11 10 13 PKG DWG # 5 6 9 8 SF00583 INPUT AND OUTPUT LOADING AND FAN OUT TABLE PINS DESCRIPTION 74F (U.L.) HIGH/ LOW 1.0/0.417 1.0/1.0 1.0/1.0 1.0/1.0 LOAD VALUE HIGH/ LOW 20µA/250µA 20µA/20µA 20µA/20µA 20µA/20µA LOGIC SYMBOL 4 3 C1 2 1 1D 6 R S & 3 D0, D1 CP0, CP1 SD0, SD1 RD0, RD1 Data inputs Clock inputs (active rising edge) Set inputs (active low) Reset inputs (active low) 10 11 12 13 S C2 2D 9 Q0, Q1, Q0, 750/33 Data outputs 15mA/20mA Q1 NOTE: One (1.0) FAST unit load is defined as: 20µA in the high state and 0.6mA in the...
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8-bit identity comparator
The 74F521 is an expandable 8-bit comparator. It compares two words of up to 8 bits each and provides a Low output when the two words match bit for bit. The expansion input IA=B also serves as an active-Low enable input. TYPICAL PROPAGATION DELAY 7.0ns TYPICAL SUPPLY CURRENT (TOTAL) 24mA PIN CONFIGURATION IA=B 1 A0 B0 A1 B1 A2 B2 A3 B3 2 3 4 5 6 7 8 9 20 VCC 19 QA=B 18 B7 17 A7 16 B6 15 A6 14 B5 13 A5 12 B4 11 A4 TYPE 74F521 GND 10 SF00273 ORDERING INFORMATION DESCRIPTION 20-pin plastic DIP 20-pin plastic SOL COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F521N N74F521D PKG DWG # SOT146-1 SOT163-1 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS A0 – A7 B0 – B7 IA=B QA=B Word A ...
74F521
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8-Bit Identity Comparator
The 74F521 is an expandable 8-bit comparator. It compares two words of up to eight bits each and provides a LOW output when the two words match bit for bit. The expansion input IA=B also serves as an active LOW enable input. Features s Compares two 8-bit words in 6.5 ns typ s Expandable to any word length s 20-pin package Ordering Code: Order Number 74F521SC 74F521SJ 74F521MSA 74F521PC Package Number M20B M20D MSA20 N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JE...
74F521
manufacturer
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8-Bit Identity Comparator
The ’F521 is an expandable 8-bit comparator It compares two words of up to eight bits each and provides a LOW output when the two words match bit for bit The expansion input IA e B also serves as an active LOW enable input Features Y Y Y Compares two 8-bit words in 6 5 ns typ Expandable to any word length 20-pin package Commercial 74F521PC Military Package Number N20A Package Description 20-Lead (0 300 Wide) Molded Dual-In-Line 20-Lead Ceramic Dual-In-Line 20-Lead (0 300 Wide) Molded Small Outline JEDEC 20-Lead (0 300 Wide) Molded Small Outline EIAJ 20-Lead Molded Shrink Small Outline EIAJ type II 54F521DM (Note 2) 74F521SC (Note 1) 74F521SJ (Note 1) 74F521MSA (Note 1) J20A M20B M20D...
74F521
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8-Bit Identity Comparators
These identity comparators perform comparisons on two 8-bit binary or BCD words. They provide P = Q outputs. The SN54F521 is characterized for operation over the full military temperature range of − 55°C to 125°C. The SN74F521 is characterized for operation from 0°C to 70°C. FUNCTION TABLE INPUTS P, Q OE OUTPUT P=Q P=Q L L P≠Q X H X H H logic symbol† 1 OE 2 P0 4 P1 6 P2 8 P3 11 P4 13 P5 15 P6 17 P7 3 Q0 5 Q1 7 Q2 9 Q3 12 Q4 14 Q5 16 Q6 18 Q7 COMP 0 P 7 1P = Q 0 Q 7 19 P=Q † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Q3 GND P4 Q4 P5 SN54F521, SN74F521 8ĆBIT IDENTITY COMPARATORS ą SDFS091 − MARCH 1987 − REVISED OCTOBER 1993 SN54F521 . ....




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