(China (Mainland))
Product Summary
The HD74LS48P is a BCD-to-Seven-Segment Decoder / Driver. This circuit has full ripple blanking input / output controls and a lamp test input. Display patterns for BCD input counts above 9 are unique symbols to authenticate input conditions. This circuit incorporates automatic leading and / or trailing-edge zero-blanking control (RBI and RBO). Lamp test (LT) of these types may be performed at any time when the BI / RBO node is at a high level. It contains an overriding blanking input (BI) which can be used to control the lamp intensity be pulsing or to inhibit the outputs.
Parametrics
Absolute maximum ratings: (1)Supply voltage, VCC: 7 V; (2)Input voltage, VIN: 7 V; (3)Power dissipation, PT: 400 mW; (4)Storage temperature, Tstg: –65 to +150 ℃.
Features
Features: (1)active high outputs for driving lamp buffers; (2)Inputs and outputs are entirely compatible for use with TTL or DTL logic outputs; (3)Package Type: DILP-16 pin.
Diagrams
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