National Semiconductor DM75492
The OM75491 and OM75492 are interface circuits designed to be used in conjunction with MOS integrated circuits and common-cathode LED's in serially addressed multi-digit displays_ The number of drivers required for this time-multiplexed system is minimized as a result of the segmentaddress-and-digit-scan method of LED drive_ features • Source or sink capability per driver (DM75491) 50 mA • Sink capability per driver (DM75492) 250 mA • MOS compatability (low input current) • Low standby power, • High-gain Darlington circuits schematic and connection diagrams DM75491 (each driver) (1,7,8,14)...Display Drivers epn- o:t It) ~ DM75491 MOS-to-LED quad segment driver C DM75492 MOS-to-LED h~x digit driver general description The OM75491 and OM75492 are interface circuits designed to be used in conjunction with MOS integrated circuits and common-cathode LED's in serially addressed multi-digit displays_ The number of drivers required for this time-multiplexed system is minimized as a result of the segmentaddress-and-digit-scan method of LED drive_ features
● Source or sink capability per driver (DM75491) 50 mA
● Sink capability per driver (DM75492) 250 mA
● MOS compatability (low input current)
● Low standby power,
● High-gain Darlington circuits schematic and connection diagrams DM75491 (each driver) (1,7,8,14) DM75492 (each driver) (14,3,5,8,10,12) ..._---t(1,2,6, 7,9, 13)
● -'-'V+ollr-+-t (11) v" TO OTHER DRIVERS /41 GNO TO OTHER DRIVERS DM75491 Dual-In-Line Package 4. 4E 4C V" 3. 3E 3. 14 141 GNO DM75492 Dual-In-Line Package ,. ,v 6A v" 5A 5V 4.
● Source or sink capability per driver (DM75491) 50 mA
● Sink capability per driver (DM75492) 250 mA
● MOS compatability (low input current)
● Low standby power,
● High-gain Darlington circuits schematic and connection diagrams DM75491 (each driver) (1,7,8,14) DM75492 (each driver) (14,3,5,8,10,12) ..._---t(1,2,6, 7,9, 13)
● -'-'V+ollr-+-t (11) v" TO OTHER DRIVERS /41 GNO TO OTHER DRIVERS DM75491 Dual-In-Line Package 4. 4E 4C V" 3. 3E 3. 14 141 GNO DM75492 Dual-In-Line Package ,. ,v 6A v" 5A 5V 4.