tc74hc259afn TOSHIBA Semiconductor CORPORATION, tc74hc259afn Datasheet

tc74hc259afn

Manufacturer Part Number

tc74hc259afn

Description

8-bit Addressable Latch

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC74HC259AFN.pdf (10 pages)

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8-Bit Addressable Latch

LATCH fabricated with silicon gate C

LSTTL while maintaining the CMOS low power dissipation.

C. When CLEAR input is held high and enable input G is held

low, the data is written into the bit selected by address inputs,

the other bit hold their previous conditions.

inhibited regardless of adress inputs, and their previous

condition are held. When CLEAR is held low and G is held

high, all bits are resent to low regardless of the other inputs.

When both of CLEAR and G held low, all bits which isn’t

selected by adress inputs are resent to low.

discharge or transient excess voltage.

Features

•

Pin Assignment

The TC74HC259A is a high speed CMOS ADDRESSABLE

It achieve the high speed operation similar to equivalent

The respective bits are controlled by address inputs A, B, and

When both CLEAR and G held high, writing of all bits is

All inputs are equipped with protection circuits against static

High speed: t

Low power dissipation: I

High noise immunity: V

Output drive capability: 10 LSTTL loads

Symmetrical output impedance: |I

Balanced propagation delays: t

Wide operating voltage range: V

Pin and function compatible with 74LS259

TC74HC259AP,TC74HC259AF,TC74HC259AFN

= 15 ns (typ.) at V

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

NIH

= 4 μA (max) at Ta = 25°C

= V

pLH

NIL

MOS technology.

∼ − t

(opr) = 2~6 V

= 28% V

= 5 V

| = I

pHL

= 4 mA (min)

(min)

Note: xxxFN (JEDEC SOP) is not available in

Weight

DIP16-P-300-2.54A

SOP16-P-300-1.27A

SOL16-P-150-1.27

TC74HC259AP

TC74HC259AF

TC74HC259AFN

Japan.

TC74HC259AP/AF/AFN

: 1.00 g (typ.)

: 0.18 g (typ.)

: 0.13 g (typ.)

2007-10-01

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tc74hc259afn Summary of contents

Page 1

... MOS technology 28% V (min) NIL (min ∼ − t pLH pHL (opr TC74HC259AP/AF/AFN Note: xxxFN (JEDEC SOP) is not available in Japan. TC74HC259AP TC74HC259AF TC74HC259AFN Weight DIP16-P-300-2.54A : 1.00 g (typ.) SOP16-P-300-1.27A : 0.18 g (typ.) SOL16-P-150-1.27 : 0.13 g (typ.) 2007-10-01 ...

Page 2

IEC Logic Symbol Truth Table Output of Inputs Addressed CLEAR G Latch QiO Select Inputs Latch Addressed ...

Page 3

System Diagram Absolute Maximum Ratings (Note 1) Characteristics Supply voltage range DC input voltage DC output voltage Input diode current Output diode current DC output current DC V /ground current CC Power dissipation Storage temperature Note 1: Exceeding any of ...

Page 4

Operating Ranges (Note) Characteristics Supply voltage Input voltage Output voltage Operating temperature Input rise and fall time Note: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC ...

Page 5

Timing Requirements (input: t Characteristics Symbol Minimum pulse width ( G ) Minimum pulse width ( CLEAR ) Minimum set-up time (DATA) Minimum set-up time ( Minimum hold time (DATA) Minimum hold time ( Characteristics ...

Page 6

AC Characteristics = 50 pF, input Characteristics Symbol t TLH Output transition time t THL Propagation delay t pLH time t pHL (DATA-Q) Propagation delay t pLH time t pHL (A, B, C-Q) Propagation delay t pLH ...

Page 7

Package Dimensions Weight: 1.00 g (typ.) TC74HC259AP/AF/AFN 7 2007-10-01 ...

Page 8

Package Dimensions Weight: 0.18 g (typ.) TC74HC259AP/AF/AFN 8 2007-10-01 ...

Page 9

Package Dimensions (Note) Note: This package is not available in Japan. Weight: 0.13 g (typ.) TC74HC259AP/AF/AFN 9 2007-10-01 ...

Page 10

RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...

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