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CD40147BM ACTIVE

10-Line to 4-Line BCD Priority Encoder

Inventory: 97
 

Quality information

RoHS Yes
REACH Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-1-260C-UNLIM
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View

Packaging information

Package | Pins Package qty | Carrier Operating temperature range (°C)
SOIC (D) | 16 40 | TUBE
-55 to 125
Package | Pins SOIC (D) | 16
Package qty | Carrier 40 | TUBE
Operating temperature range (°C) -55 to 125
View TI packaging information

Features for the CD40147B

  • Encodes 10-line to 4-line BCD
  • Active low inputs and outputs
  • Standardized, symmetrical output characteristics
  • 100% tested for quiescent current at 20 V
  • 5-V, 10-V, and 15-V parametric ratings
  • Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices"
  • Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C
  • Noise margin (full package temperature range) =
         1 V at VDD = 5 V
         2 V at VDD = 10 V
         2.5 V at VDD = 15 V
  • Applications:
    • Keyboard encoding
    • 10-line to BCD encoding
    • Range selection

Description for the CD40147B

The CD40147B CMOS encoder features priority encoding of the inputs to ensure that only the highest-order data line is encoded. Ten data input lines (0-9) are encoded to four-line (8, 4, 2, 1) BCD. The highest priority line is line 9. All four output lines are logic 1 (VSS) when all input lines are logic 0. All inputs and outputs are buffered, and each output can drive one TTL low-power Schottky load. The CD40147B is functionally similar to the TTL54/74147 if pin 15 is tied low.

The CD40147B types are supplied in 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

Pricing


Qty Price (USD)
1-99 1.047
100-249 0.806
250-999 0.593
1,000+ 0.424