National Semiconductor
54LS21 - Dual 4-Input AND Gates
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
June 1989
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
General Description
This device contains
(12 views)
Texas Instruments
54LS123 - RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SN54122, SN54123, SN54130, SN54LS122, SN54LS123,
SN74122, SN74123, SN74130, SN74LS122, SN74LS123 RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SDLS043 – DEC
(12 views)
Motorola
54LS293 - 4-BIT BINARY COUNTER
DECADE COUNTER; 4-BIT BINARY COUNTER
The SN54 / 74LS290 and SN54 / 74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. E
(11 views)
National Semiconductor
54LS20 - Dual 4-Input NAND Gates
54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates
June 1989
54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates
General Description
This device contain
(10 views)
Texas Instruments
SN54LS107A - DUAL J-K FLIP-FLOPS
SN54107, SN54LS107A,
SN74107, SN74LS107A
DUAL J-K FLIP-FLOPS WITH CLEAR
SDLS036 – DECEMBER 1983 – REVISED MARCH 1988
PRODUCTION DATA information is c
(10 views)
Texas Instruments
SN54LS673 - 16-BIT SHIFT REGISTER
SN54LS673, SN54LS674, SN74LS673, SN74LS674 16-BIT SHIFT REGISTERS
SDLS195 – MARCH 1985 – REVISED MARCH 1988
PRODUCTION DATA information is current as
(10 views)
National Semiconductor
54LS257A - TRI-STATE Quad 2-Data Selectors/Multiplexers
Obsolete
54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers
June 1989
54LS257A DM54LS257B D
(9 views)
National Semiconductor
54LS85 - 4-Bit Magnitude Comparators
54LS85 DM54LS85 DM74LS85 4-Bit Magnitude Comparators
June 1989
54LS85 DM54LS85 DM74LS85 4-Bit Magnitude Comparators
General Description
These 4-bit
(9 views)
National Semiconductor
DM54LS109A - Dual Positive-Edge-Triggered J-K Flip-Flops with Preset/ Clear/ and Complementary Outputs
54LS109 DM54LS109A DM74LS109A Dual Positive-Edge-Triggered J-K Flip-Flops with Preset Clear and Complementary Outputs
June 1989
54LS109 DM54LS109A D
(9 views)
National Semiconductor
DM54LS157 - Quad 2-Line to 1-Line Data Selectors/Multiplexers
54LS157 DM54LS157 DM74LS157 54LS158 DM54LS158 DM74LS158 Quad 2-Line to 1-Line Data Selectors Multiplexers
June 1989
54LS157 DM54LS157 DM74LS157 54LS
(9 views)
Motorola
54LS77 - 4-BIT D LATCH
4-BIT D LATCH
The TTL/MSI SN54 / 74LS75 and SN54 / 74LS77 are latches used as temporary storage for binary information between processing units and in
(9 views)
ETC
54LS93 - DIVIDE-BY-SIXTEEN COUNTER
93
54/7493A 54LS/74LS93
DIVIDE-BY-SIXTEEN COUNTER
CONNECTION DIAGRAM PINOUT A
DESCRIPTION — The ’93 is a 4-stage ripple counter containing a high sp
(9 views)
Texas Instruments
54LS06 - Hex Inverter Buffers/Drivers
Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & Community
SN54LS06, SN74LS06
SDLS020F – MAY 1990 – REVISED JULY 2016
S
(9 views)
Texas Instruments
54LS627 - VOLTAGE-CONTROLLED OSCILLATORS
SN54LS624 THRU SN54LS629,
SN74LS624 THRU SN74LS629 VOLTAGE-CONTROLLED OSCILLATORS
SDLS186 – JANUARY 1980 – REVISED MARCH 1988
PRODUCTION DATA informa
(9 views)
National Semiconductor
54LS22 - Dual 4-Input NAND Gates
(8 views)
National Semiconductor
54LS258A - TRI-STATE Quad 2-Data Selectors/Multiplexers
Obsolete
54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers
June 1989
54LS257A DM54LS257B D
(8 views)
National Semiconductor
DM54LS251 - TRI-STATE Data Selectors/Multiplexers
DM54LS251 DM74LS251 TRI-STATE Data Selectors Multiplexers
June 1989
DM54LS251 DM74LS251 TRI-STATE Data Selectors Multiplexers
General Description
Th
(8 views)
AMD
AM54LS299 - 8-Bit Universal Shift/Storage Register
(8 views)
Motorola
54LS191 - PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Count
(8 views)
Motorola
54LS190 - PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Count
(8 views)