74LS289
ETC
75.88 KB
64bit random access memory.
This Material Copyrighted By Its Respective Manufacturer
This Material Copyrighted By Its Respective Manufacturer
This Material Copyrighted By Its R.
📁 Related Datasheet
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(Motorola)
SN54/74LS28 QUAD 2-INPUT NOR BUFFER
QUAD 2-INPUT NOR BUFFER
VCC 14 13 12 11 10 9 8
LOW POWER SCHOTTKY
1
2
3
4
5
6
7 GND
14 1
J SUFFIX CERAMI.
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(ON Semiconductor)
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The SN74LS280 is a Universal 9-Bit Parity Generator / Checker. It features odd / even outputs to f.
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Unit: mm
19.20 20.32 Max 14 8 6.30 7.40 Max 1
2.39 Max
1.30
7 7.62
0.51 Min
2.54 Min 5.06 Max
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
+ 0.
74LS283 - 4-Bit Binary Full Adders
(Texas Instruments)
SN54283, SN54LS283, SN54S283, SN74283, SN74LS283, SN74S283 4ĆBIT BINARY FULL ADDERS WITH FAST CARRY
SDLS095A – OCTOBER 1976 – REVISED MARCH 1988
descr.
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(National Semiconductor)
54LS283 DM54LS283 DM74LS283 4-Bit Binary Adders with Fast Carry
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(San Mao)
54/74284
4 x4 （OC,） ： 54/74284 4 x4 ， （）： 54/74284 tPLH(AF) 40ns PD 460mW
54/74285 ， 4 。 ： A0～A3 A B0~B4 B F4~F7 /ST1,/ST2 （） ：
： ………………….
74LS20 - Dual 4-Input NAND Gate
(Fairchild Semiconductor)
DM74LS20 Dual 4-Input NAND Gate
June 1986 Revised March 2000
DM74LS20 Dual 4-Input NAND Gate
General Description
This device contains two independen.
74LS20 - Dual 4-input Positive NAND Gates
(Hitachi Semiconductor)
Unit: mm
19.20 20.32 Max 14 8 6.30 7.40 Max 1
2.39 Max
1.30
7 7.62
0.51 Min
2.54 Min 5.06 Max
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
+ 0.
