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HEF4511BP Datasheet(PDF) 1 Page - NXP Semiconductors |
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HEF4511BP Datasheet(HTML) 1 Page - NXP Semiconductors |
1 / 19 page 1. General description The HEF4511B is a BCD to 7-segment latch/decoder/driver with four address inputs (D0 to D3), an active HIGH latch enable input (LE), an active LOW ripple blanking input (BL), an active LOW lamp test input (LT), and seven active HIGH NPN bipolar transistor segment outputs (Qa to Qg). When LE is LOW and BL is HIGH, the state of the segment outputs (Qa to Qg) is determined by the data on D0 to D3. When LE goes HIGH, the last data present on D0 to D3 is stored in the latches and the segment outputs remain unchanged. When LT is LOW, all of the segment outputs are HIGH independent of all other input conditions. With LT HIGH, a LOW on BL forces all segment outputs LOW. The inputs LT and BL do not affect the latch circuit. It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually ground). Unused inputs must be connected to VDD, VSS, or another input. It is also suitable for use over the industrial ( −40 °C to +85 °C) and automotive (−40 °C to +125 °C) temperature ranges. 2. Features Fully static operation 5 V, 10 V, and 15 V parametric ratings Standardized symmetrical output characteristics Operates across the automotive temperature range −40 °C to +125 °C Complies with JEDEC standard JESD 13-B 3. Applications Automotive and industrial 4. Ordering information HEF4511B BCD to 7-segment latch/decoder/driver Rev. 06 — 7 December 2009 Product data sheet Table 1. Ordering information All types operate from −40 °C to +125 °C. Type number Package Name Description Version HEF4511BP DIP16 plastic dual in-line package; 16 leads (300 mil) SOT38-4 HEF4511BT SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 |
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