HEF40244BD Philips Semiconductors, HEF40244BD Datasheet

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HEF40244BD

Manufacturer Part Number
HEF40244BD
Description
Octal buffers with 3-state outputs
Manufacturer
Philips Semiconductors
Datasheet
Product specification
File under Integrated Circuits, IC04
DATA SHEET
HEF40244B
buffers
Octal buffers with 3-state outputs
For a complete data sheet, please also download:
The IC04 LOCMOS HE4000B Logic
Family Specifications HEF, HEC
The IC04 LOCMOS HE4000B Logic
Package Outlines/Information HEF, HEC
INTEGRATED CIRCUITS
January 1995

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HEF40244BD Summary of contents

Page 1

DATA SHEET For a complete data sheet, please also download: The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF40244B buffers Octal buffers with 3-state outputs Product specification File under Integrated ...

Page 2

... The HEF40244B is pin and functionally compatible with the TTL ‘244’ device. Fig.1 Functional diagram. January 1995 Fig.2 Pinning diagram. HEF40244BP(N): 20-lead DIL; plastic (SOT146-1) HEF40244BD(F): 20-lead DIL; ceramic (cerdip) (SOT152) HEF40244BT(D): 20-lead SO; plastic (SOT163- Package Designator North America PINNING ...

Page 3

... Philips Semiconductors Octal buffers with 3-state outputs Fig.3 Logic diagram (one buffer). RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134). See Family Specifications, except for: D.C. current into any input D.C. source or sink current into any output D.C. current into the supply terminals ...

Page 4

... Philips Semiconductors Octal buffers with 3-state outputs (1) P-channel MOS transistor conducting. (2) P-channel MOS transistor and bipolar n-p-n transistor conducting. Fig.4 Typical output source current characteristic. AC CHARACTERISTICS input transition times SS amb ALL BUFFERS SWITCHING Dynamic power dissipation per package (P) January 1995 ...

Page 5

... Philips Semiconductors Octal buffers with 3-state outputs AC CHARACTERISTICS pF; input transition times SS amb L Propagation delays I O An/Bn An/Bn HIGH to LOW I O An/Bn An/Bn LOW to HIGH Output transition times HIGH to LOW LOW to HIGH 3-state propagation delays Output disable times EO O An/Bn HIGH LOW Output enable times ...

Page 6

... Philips Semiconductors Octal buffers with 3-state outputs t TLH t THL Fig.6 Output transition times as a function of the load capacitance. January 1995 6 Product specification HEF40244B buffers ...

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