Datasheet > CD54HCT259

CD54HCT259

更新时间： 2024-09-15 22:03:11

品牌	Logo	应用领域
德州仪器 - TI		锁存器
页数	文件大小	规格书
12页	271K
描述
High-Speed CMOS Logic 8-Bit Addressable Latch

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数据手册
替代型号

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CD54HCT259 数据手册

CD54HC259, CD74HC259,

CD54HCT259, CD74HCT259

Data sheet acquired from Harris Semiconductor

SCHS173C

High-Speed CMOS Logic

8-Bit Addressable Latch

November 1997 - Revised October 2003

Features

Description

• Buffered Inputs and Outputs

• Four Operating Modes

• Typical Propagation Delay of 15ns at V

The ’HC259 and ’HCT259 Addressable Latch features the

low-power consumption associated with CMOS circuitry and

has speeds comparable to low-power Schottky.

[ /Title

(CD74

HC259

CD74

HCT25

= 5V,

This latches three active modes and one reset mode. When

both the Latch Enable (LE) and Master Reset (MR) inputs are

low (8-line Demultiplexer mode) the output of the addressed

latch follows the Data input and all other outputs are forced

low. When both MR and LE are high (Memory Mode), all

outputs are isolated from the Data input, i.e., all latches hold

C = 15pF, T = 25 C

• Fanout (Over Temperature Range)

- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

• Wide Operating Temperature Range . . . -55 C to 125 C the last data presented before the LE transition from low to

high. A condition of LE low and MR high (Addressable Latch

mode) allows the addressed latch’s output to follow the data

input; all other latches are unaffected. The Reset mode (all

outputs low) results when LE is high and MR is low.

/Sub-

ject

• Balanced Propagation Delay and Transition Times

• Signiﬁcant Power Reduction Compared to LSTTL

Logic ICs

(High

Speed

CMOS

Logic

8-Bit

Addres

sable

Latch)

• HC Types

Ordering Information

- 2V to 6V Operation

- High Noise Immunity: N = 30%, N = 30% of V

TEMP. RANGE

PART NUMBER

CD54HC259F3A

CD54HCT259F3A

CD74HC259E

( C)

PACKAGE

16 Ld CERDIP

16 Ld PDIP

16 Ld SOIC

16 Ld PDIP

16 Ld SOIC

at V

= 5V

• HCT Types

-55 to 125

- 4.5V to 5.5V Operation

- Direct LSTTL Input Logic Compatibility,

V = 0.8V (Max), V = 2V (Min)

IL IH

- CMOS Input Compatibility, I ≤ 1µA at V , V

OL OH

CD74HC259M

CD74HC259MT

CD74HC259M96

CD74HCT259E

CD74HCT259M

CD74HCT259MT

CD74HCT259M96

NOTE: When ordering, use the entire part number. The sufﬁx 96

denotes tape and reel. The sufﬁx T denotes a small-quantity reel

of 250.

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

12 3 4 5 6 7...12

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CD54HCT259 替代型号

型号	品牌	替代类型	描述	数据表
CD74HCT259E	TI	功能相似	High Speed CMOS Logic 8-Bit Addressable Latch
CD74HCT259	TI	功能相似	High Speed CMOS Logic 8-Bit Addressable Latch

与CD54HCT259相关器件

型号	品牌	获取价格	描述	数据表
CD54HCT259E	ETC	获取价格	Logic IC
CD54HCT259EN	ETC	获取价格	Logic IC
CD54HCT259F	RENESAS	获取价格	IC,LATCH,SINGLE,8-BIT,HCT-CMOS,DIP,16PIN,CERAMIC
CD54HCT259F	ROCHESTER	获取价格	HCT SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CDIP16
CD54HCT259F/3	RENESAS	获取价格	HCT SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CDIP16
CD54HCT259F/3A	RENESAS	获取价格	IC HCT SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CDIP16, FF/Latch
CD54HCT259F3A	RENESAS	获取价格	IC,LATCH,SINGLE,8-BIT,HCT-CMOS,DIP,16PIN,CERAMIC
CD54HCT259F3A	TI	获取价格	High-Speed CMOS Logic 8-Bit Addressable Latch
CD54HCT259H/3	RENESAS	获取价格	HCT SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, UUC16
CD54HCT259H/3A	RENESAS	获取价格	HCT SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, UUC16

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