DM7439
DM7439 is DM7439 Quad 2-Input NAND Buffer with Open-Collector Output manufactured by National Semiconductor.
Description
This device contains four independent gates with two data inputs each which performs the logic NAND function
Connection Diagram
Dual-In-Line Package
TL F 9776
- 1
Order Number DM7439N See NS Package Number N14A
C1995 National Semiconductor Corporation
TL F 9776
RRD-B30M115 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 Input Voltage Operating Free Air Temperature Range DM74 Storage Temperature Range 7V 5 5V 0 C to a 70 C b 65 C to a 150 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 ‘‘Remended Operating Conditions’’ table will define the conditions for actual device operation
Remended Operating Conditions
Symbol VCC VIH VIL IOH IOL TA Parameter Min Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Current Low Level Output Current Free Air Operating Temperature 0 4 75 2 08 b 0 25
DM7439 Nom 5 Max 5 25
Units V V V m A m A C
48 70
Electrical Characteristics over remended operating free air temperature range (unless otherwise noted)
Symbol VI VOH VOL Parameter Input Clamp Voltage High Level Output Voltage Low Level Output Voltage Conditions VCC e Min II e b12 m A VCC e Min IOH e 250 m A VIL e Max VCC e Min VIH e 2 0V IOL e 48 m A IOL e 60 m A IOL e 80 m A II IIH IIL IOS ICCH ICCL Input Current Input Voltage Max VCC e Max VI e 5 5V VCC e Max VI e 2 4V VCC e Max VI e 0 4V VCC e Max (Note 2) VCC e Max VCC e Max b 18
Min
Typ (Note 1)
Max b1 5
Units V V
34 02 04 05 06 1 40 b1 6 b 57
V m A m A m A m A m A m A
High Level Input Current Low Level Input Current Short Circuit Output Current Supply Current with...