54LS21
Motorola
33.26kb
Dual 4-input and gate.
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54LS20 - Dual 4-Input NAND Gates
(National Semiconductor)
54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates
June 1989
54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates
General Description
This device contain.
54LS21 - Dual 4-Input AND Gates
(National Semiconductor)
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
June 1989
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
General Description
This device contains .
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(National Semiconductor)
.
54LS22 - DUAL 4-INPUT NAND GATE
(Motorola)
DUAL 4-INPUT NAND GATE
SN54/74LS22
VCC 14 13 12 11 10
98 *
*
1234567 GND
* OPEN COLLECTOR OUTPUTS
GUARANTEED OPERATING RANGES
Symbol
Parameter
.
54LS240 - LSTTL eight-Buffer / Bus Driver
(BDTIC)
54LS240/74LS240 LSTTL /ïŒãïŒ ïŒ
â¢ ïŒ â¢ PNP ïŒ â¢ ã
tpd=10ns Pd=130mW
L L H A L H Ã Y H L Z Z=
H= L= Ã=
ïŒ
ã ãïŒ ïŒïŒïŒ400mVïŒ ã 133Ωã
.BDTIC.c.
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Free Datasheet http://..
Free Datasheet http://..
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(Signetics)
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54LS244 - Octal TRI-STATE Buffers/Line Drivers/Line Receivers
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54LS245 - Octal Bus Transceivers
(Texas Instruments)
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SN54LS245, SN74LS245
SDLS146B â OCTOBER 1976 â REVISED SEPTE.
54LS245D2 - Octal Bus Transceiver
(SGS-Thomson)
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DataShee
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DataShee
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