CD4532 8 Bit Priority Encoder IC DIP-16 Package

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Brand: Generic | SKU: 7157202

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Description

CD4532 consists of combinational logic that encodes the highest priority input (D7-D0) to a 3-bit binary code. The eight inputs, D7 through D0, each have an assigned priority; D7 is the highest priority and D0 is the lowest. The priority encoder is inhibited when the chip-enable input E _I is low. When E _I is high, the binary representation of the highest-priority input appears on output lines Q2-Q0, and the group select line GS is high to indicate that priority inputs are present. The enable-out (E _O ) is high when no priority inputs are present. If any one input is high, E _O is low and all cascaded lower-order stages are disabled.

The CD4532 types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 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).

Features:-

Converts from 1 of 8 to binary
Provides cascading feature to handle any number of inputs
Group select indicates one or more priority inputs
Standardized, symmetrical output characteristics
100% tested for quiescent current at 20 V
Maximum input current of 1 ÂµA at 18 V over full package temperature range; 100 nA at 18 V and 25Â°C
Noise margin (full package-temperature range):
0.5 V at V _DD = 5 V
1.5 V at V _DD = 10 V
1.5 V at V _DD = 15 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"
Applications:
- Priority encoder
- Binary or BCD encoder (keyboard encoding)
- Floating point arithmetic

Specifications:-

Parameter	Specification
Part number	CD4532B
Technology Family	CD4000
VCC (Min) (V)	3
VCC (Max) (V)	18
Channels (#)	1
Voltage (Nom) (V)	5, 10, 15
F @ nom voltage (Max) (MHz)	8
ICC @ nom voltage (Max) (mA)	0.3
tpd @ nom Voltage (Max) (ns)	110
IOL (Max) (mA)	1.5
IOH (Max) (mA)	-1.5
Function	Encoder
Type	Standard
Rating	See Data Sheet
Operating temperature range (C)	-55 to 125
Package Group	PDIP\|16
Configuration	08:04
Package size: mm2:W x L (PKG)	16PDIP: 181 mm2: 9.4 x 19.3 (PDIP\|16)
Bits (#)	8
Digital input leakage (Max (uA)	5
ESD CDM (kV)	0.75
ESD HBM (kV)	2