LC7574NE

Ordering number : EN3586A CMOS LSI LC7574NE, 7574NW 1/2 Duty VFD Driver for Frequency Display Overview The LC7574NE and LC7574NW are 1/2 duty VFD drivers that can be used for electronic tuning frequency display and other applications under the control of a controller. These products can directly drive VFDs with up to 74 segments. Package Dimensions unit: mm 3156-QFP48E [LC7574NE] Features 74 segment outputs Noise reduction circuits are built into the output drivers. Serial data input supports CCB* format communications with the system controller. Switching between digital and analog dimmers under serial data control High generality since display data is displayed without the intervention of a decoder All segments can be turned off with the BLK pin SANYO: QFP48E CCB is a trademark of SANYO ELECTRIC CO., LTD. CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO. unit: mm 3163A-SQFP48 [LC7574NW] SANYO: SQFP48 SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN O2095HA (OT)/4032JN No. 3586-1/10 LC7574NE, 7574NW Specifications Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V Parameter Maximum supply voltage Symbol VDD max VFL max VIN1 VIN2 VOUT1 VOUT2 IOUT1 IOUT2 Pd max Topr Tstg VDD VFL DI, CL, CE, BLK, DIM OSC S1 to S37, G1, G2 OSC S1 to S37 G1, G2 Ta = 85°C (LC7574NE) Ta = 85°C (LC7574NW) Conditions Ratings –0.3 to +6.5 –0.3 to +21.0 ...