DM74ALS157SJ
DM74ALS157SJ Datasheet
DM74ALS157<br>• DM74ALS158 Quad 1-of-2 Line Data Selector/Multiplexer
| Part | Datasheet |
|---|---|
DM74ALS157SJ |
DM74ALS157SJ (pdf) |
| Related Parts | Information |
|---|---|
DM74ALS157SJX |
DM74ALS157SJX |
DM74ALS157N |
DM74ALS157N |
DM74ALS157MX |
DM74ALS157MX |
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DM74ALS157M |
DM74ALS157M |
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| DM74ALS157 • DM74ALS158 Quad 1-of-2 Line Data Selector/Multiplexer DM74ALS157 • DM74ALS158 Quad 1-of-2 Line Data Selector/Multiplexer These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. The ALS157 presents true data whereas the ALS158 presents inverted data to minimize propagation delay time. s Switching specifications at 50 pF s Switching specifications guaranteed over full tempera- ture and VCC range s Advanced oxide-isolated, ion-implanted Schottky TTL process s Functionally and pin for pin compatible with Schottky and low power Schottky TTL counterpart s Improved AC performance over Schottky and low power Schottky counterparts s Expand any data input point s Multiplex dual data buses s General four functions of two variables one variable is common s Source programmable counters Ordering Code: Order Number Package Number Package Description DM74ALS157M M16A 16-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-012, 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, Wide DM74ALS158N N16E 16-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Function Table Inputs Strobe Select A H = HIGH Level L = LOW Level X = Don't Care Output Y B DM74ALS157 DM74ALS158 2000 Fairchild Semiconductor Corporation DS006205 DM74ALS157 • DM74ALS158 Logic Diagrams DM74ALS157 DM74ALS158 DM74ALS157 • DM74ALS158 Absolute Maximum Ratings Note 1 Supply Voltage Input Voltage Operating Free Air Temperature Range Storage Temperature Range 7V 0°C to +70°C −65°C to +150°C Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions VCC VIH VIL IOH IOL TA Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Current LOW Level Output Current Free Air Operating Temperature Units Electrical Characteristics over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C. Parameter Conditions Input Clamp Voltage VCC = 4.5V, II = −18 mA HIGH Level Output Voltage IOH = mA, VCC = 4.5V to 5.5V VCC − 2 LOW Level VCC = 4.5V IOL = 4 mA Output Voltage IOL = 8 mA Input Current Maximum Input Voltage VCC = 5.5V, VIH = 7V HIGH Level Input Current LOW Level Input Current Output Drive Current |
| More datasheets: 82747011 | 82737009 | 82737010 | 82737011 | 82737012 | 82737014 | 82737005 | 1361 | 887 | DM74ALS157SJX |
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