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74LS670 Datasheet

  • 74LS670

  • LOW POWER SCHOTTKY

  • 8頁

  • ONSEMI

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SN74LS670
4 x 4 Register File
with 3-State Outputs
The TTL / MSI SN74LS670 is a high-speed, low-power 4 x 4
Register File organized as four words by four bits. Separate read and
write inputs, both address and enable, allow simultaneous read and
write operation.
The 3-state outputs make it possible to connect up to 128 outputs to
increase the word capacity up to 512 words. Any number of these
devices can be operated in parallel to generate an n-bit length.
http://onsemi.com
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Simultaneous Read / Write Operation
Expandable to 512 Words by n-Bits
Typical Access Time to 20 ns
3-State Outputs for Expansion
Typical Power Dissipation of 125 mW
LOW
POWER
SCHOTTKY
GUARANTEED OPERATING RANGES
Symbol
V
CC
T
A
I
OH
I
OL
Parameter
Supply Voltage
Operating Ambient
Temperature Range
Output Current 鈥?High
Output Current 鈥?Low
Min
4.75
0
Typ
5.0
25
Max
5.25
70
鈥?2.6
24
Unit
V
擄C
mA
mA
16
1
PLASTIC
N SUFFIX
CASE 648
16
1
SOIC
D SUFFIX
CASE 751B
ORDERING INFORMATION
Device
SN74LS670N
SN74LS670D
Package
16 Pin DIP
16 Pin
Shipping
2000 Units/Box
2500/Tape & Reel
漏
Semiconductor Components Industries, LLC, 1999
1
December, 1999 鈥?Rev. 6
Publication Order Number:
SN74LS670/D

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    Quadruple 2-input Positive NAND Gates(with Open Collector Ou...
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    Quadruple 2-input Positive NAND Gates(with Open Collector Ou...
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    QUAD 2-INPUT NAND GATE
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    QUADRUPLE 2-INPUT POSITIVE-NAND GATES WITH OPEN-COLLECTOR OU...
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  • 英文版
    Quadruple 2-input Positive NOR Gates
    HITACHI
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    Quad 2-Input NOR Gate
    FAIRCHILD
  • 英文版
    Quad 2-Input NOR Gate
    FAIRCHILD ...
  • 英文版
    Quadruple 2-input Positive NOR Gates
    HITACHI [H...
  • 英文版
    QUADRUPLE 2-INPUT POSITIVE-NAND GATES WITH OPEN-COLLECTOR OU...
    TI
  • 英文版
    Quadruple 2-input Positive NAND Gates(with Open Colletor Out...
    HITACHI
  • 英文版
    Quad 2-Input NAND Gates with Open-Collector Outputs
    FAIRCHILD
  • 英文版
    Quadruple 2-input Positive NAND Gates(with Open Colletor Out...
    HITACHI [H...
  • 英文版
    Quad 2-Input NAND Gates with Open-Collector Outputs
    FAIRCHILD ...

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