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DM74ALS157MFN/a47avaiQuad 1 of 2 Line Data Selector/Multiplexers
DM74ALS157MXFAIRCHILN/a27500avaiQuad 1 of 2 Line Data Selector/Multiplexers
DM74ALS157NFAIN/a4avaiQuad 1 of 2 Line Data Selector/Multiplexers
DM74ALS157SJFAIN/a7661avaiQuad 1 of 2 Line Data Selector/Multiplexers


DM74ALS157MX ,Quad 1 of 2 Line Data Selector/MultiplexersDM74ALS157 • DM74ALS158 Quad 1-of-2 Line Data Selector/MultiplexerApril 1984Revised February 2000DM ..
DM74ALS157N ,Quad 1 of 2 Line Data Selector/MultiplexersFeaturesThese data selectors/multiplexers contain inverters and ■ Switching specifications at 50 pF ..
DM74ALS157SJ ,Quad 1 of 2 Line Data Selector/MultiplexersFeaturesThese data selectors/multiplexers contain inverters and ■ Switching specifications at 50 pF ..
DM74ALS161BM ,Synchronous Four-Bit Binary Counter with Asynchronous ClearGeneral Descriptioncounters for n bit synchronous application without addi-These synchronous preset ..
DM74ALS161BM ,Synchronous Four-Bit Binary Counter with Asynchronous ClearDM74ALS161B • DM74ALS162B • DM74ALS163B Synchronous Four-Bit CounterApril 1984Revised February 2000 ..
DM74ALS161BMX ,Synchronous Four-Bit Binary Counter with Asynchronous ClearGeneral Descriptioncounters for n bit synchronous application without addi-These synchronous preset ..
DS1814AR-5/T&R ,5 Volt and 3.3 Volt MicroMonitorDS1814/DS18195V and 3.3V MicroMonitor
DS1814CR-10-U+ ,5 Volt and 3.3 Volt MicroMonitorPIN DESCRIPTION Pin- and function-compatible with theDS181xAMAX823/24/25 products1 RST Active Low ..
DS1814CR-5/T&R ,5 Volt and 3.3 Volt MicroMonitorPIN DESCRIPTION Pin- and function-compatible with theDS181xAMAX823/24/25 products1 RST Active Low ..
DS1815-10 ,3.3V EconoReset with Push-Pull OutputPIN DESCRIPTIONTO-921 RST Active Low Reset Output2 V Power SupplyCC3 GND GroundSOT-231 RST Active L ..
DS1816 ,3.3V EconoReset with Open Drain OutputFEATURES PIN ASSIGNMENT Automatically restarts a microprocessor after3power failureDALLASDS1816 M ..
DS1816 ,3.3V EconoReset with Open Drain OutputPIN DESCRIPTIONTO-921 RST Active Low Reset Output2 V Power SupplyCC3 GND GroundSOT-231 RST Active L ..


DM74ALS157M-DM74ALS157MX-DM74ALS157N-DM74ALS157SJ
Quad 1 of 2 Line Data Selector/Multiplexers
DM74ALS157 • DM74ALS158 Quad 1-of-2 Line Data Selector/Multiplexer April 1984 Revised February 2000 DM74ALS157 • DM74ALS158 Quad 1-of-2 Line Data Selector/Multiplexer General Description Features These data selectors/multiplexers contain inverters and � Switching specifications at 50 pF drivers to supply full on-chip data selection to the four out- � Switching specifications guaranteed over full tempera- put gates. A separate strobe input is provided. A 4-bit word ture and V range CC is selected from one of two sources and is routed to the � Advanced oxide-isolated, ion-implanted Schottky TTL four outputs. The ALS157 presents true data whereas the process ALS158 presents inverted data to minimize propagation � Functionally and pin for pin compatible with Schottky delay time. and low power Schottky TTL counterpart � Improved AC performance over Schottky and low power Schottky counterparts � Expand any data input point � Multiplex dual data buses � General four functions of two variables (one variable is common) � Source programmable counters Ordering Code: Order Number Package Number Package Description DM74ALS157M M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow DM74ALS157SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide DM74ALS157N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide DM74ALS158N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Function Table Inputs Output Y Strobe Select A B DM74ALS157 DM74ALS158 HX X X L H LL L X L H LL H X H L LH X L L H LH X H H L H = HIGH Level L = LOW Level X = Don't Care © 2000 DS006205
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