NXP Semiconductors
4. Functional diagram
HEF4511B
BCD to 7-segment latch/decoder/driver
7
1
2
6
D0
D1
D2
D3
5 LE
LATCHES
4 BL
DECODER
3 LT
Fig 1. Functional diagram
DRIVERS
Qg Qf
14 15
Qe Qd Qc
9
10 11
Qb Qa
12 13
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driver
logic
Fig 2. Schematic diagram of output stage
VDD
VSS
IOH
+
VOH
−
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HEF4511B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 11 November 2011
© NXP B.V. 2011. All rights reserved.
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