Datasheet Details
| Part number | DM7438 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 96.65 KB |
| Description | Quad 2-Input NAND Buffers |
| Datasheet |
 DM7438 Datasheet
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| Part number | DM7438 |
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| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 96.65 KB |
| Description | Quad 2-Input NAND Buffers |
| Datasheet |
DM7438 Datasheet
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This device contains four independent gates each of which performs the logic NAND function The open-collector outputs require external pull-up resistors for proper logical operation Pull-Up Resistor Equations RMAX e VCC (Min) b VOH N1 (IOH) a N2 (IIH) RMIN e VCC (Max) b VOL IOL b N3 (IIL) Where N1 (IOH) e total maximum output high current for all outputs tied to pull-up resistor N2 (IIH) e total maximum input high current for all inputs tied to pull-up resistor N3 (IIL) e total maximum input low current for all inputs tied to pull-up resistor Connection Diagram Dual-In-Line Package Function Table TL F 6513 – 1 Order Number DM5438J DM5438W DM7438M or DM7438N See NS Package Number J14A M14A N14A or W14B Y e AB Inputs Output AB LL LH HL HH Y H H H L H e High Logic Level L e Low Logic Level C1995 National Semiconductor Corporation TL F 6513 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7V Input Voltage 5 5V Output Voltage 7V Operating Free Air Temperature Range DM54 b55 C to a125 C DM74 0 C to a70 C Storage Temperature Range b65 C to a150 C Note 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’’ table are not guaranteed at the absolute maximum ratings The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation Recommended Operating Conditions Symbol VCC VIH VIL VOH IOL TA Parameter Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Volt
DM5438 DM7438 Quad 2-Input NAND Buffers with Open-Collector Outputs June 1989 DM5438 DM7438 Quad 2-Input NAND Buffers with Open-Collector Outputs.
| Brand Logo | Part Number | Description | Manufacturer |
|---|---|---|---|
 |
DM7438 | Quad 2-Input NAND Buffers with Open-Collector Outputs | Fairchild Semiconductor |
| Part Number | Description |
|---|---|
| DM7430 | 8-Input NAND Gate |
| DM7432 | Quad 2-Input OR Gates |
| DM7437 | Quad 2-Input NAND Buffers |
| DM7439 | DM7439 Quad 2-Input NAND Buffer with Open-Collector Output |
| DM7400 | Quad 2-Input NAND Gates |
| DM7401 | Quad 2-Input NAND Gates with Open-Collector Outputs |
| DM7402 | Quad 2-Input NOR Gates |
| DM7404 | Hex Inverting Gates |
| DM7405 | (DM5405 / DM7405) Hex Inverters |
| DM7406 | Hex Inverting Buffers |