Datasheet > P4C1682

P4C1682

更新时间： 2024-10-01 22:44:43

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
6页	59K
描述
ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS

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中文翻译

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数据手册

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P4C1682 数据手册

P4C1681, P4C1682

ULTRA HIGH SPEED 4K x 4

STATIC CMOS RAMS

FEATURES

Separate Inputs and Outputs

Full CMOS, 6T Cell

– P4C1681 Input Data at Outputs during Write

– P4C1682 Outputs in High Z during Write

High Speed (Equal Access and Cycle Times)

– 12/15/20/25 ns (Commercial)

– 20/25/35ns (P4C1682 Military)

Fully TTL Compatible Inputs and Outputs

Standard Pinout (JEDEC Approved)

– 24-Pin 300 mil DIP

– 24-Pin 300 mil SOIC

– 24-Pin 300 mil SOJ

– 24-Pin CERDIP

Low Power Operation (Commercial)

– 715 mW Active – 12, 15

– 550 mW Active – 20/25/35

– 193 mW Standby (TTL Input)

– 83 mW Standby (CMOS Input)

– 28-Pin LCC (450 mil x 450 mil)

Single 5V ± 10%Power Supply

DESCRIPTION

CMOS is used to reduce power consumption to a low 715

mW active, 193 mW standby. For the P4C1682 and

P4C1681, power is only 83 mW standby with CMOS input

The P4C1681 and P4C1682 are 16,384-bit (4K x 4) ultra

high speed static RAMs similar to the P4C168, but with

separate data I/O pins. The P4C1681 features a

transparent write operation; the outputs of the P4C1682

are in high impedance during the write cycle. All devices

have low power standby modes. The RAMs operate from

a single 5V ± 10% tolerance power supply.

levels.

The P4C1681 and P4C1682 are available in 24-pin 300

mil DIP and SOIC packages providing excellent board

level densities. The P4C1682 is also available in a 28-pin

LCC package.

Access times as fast as 12 nanoseconds are available,

permitting greatly enhanced system operating speeds.

FUNCTIONAL BLOCK DIAGRAM

PIN CONFIGURATIONS

16,384-BIT

ROW

MEMORY

(7)

SELECT

ARRAY

28 27

I₁

I₂

I₃

I₄

O₁

O₂

O₃

O₄

INPUT

DATA

CONTROL

COLUMN I/O

POWER

DOWN

COLUMN

SELECT

13 14 15 16 17

GND

(5)

P4C1682

P4C1681

LCC (L5-1)

TOP VIEW

DIP (P4,D4), SOIC (S4), SOJ (J4)

TOP VIEW

Means Quality, Service and Speed

1Q97

12 3 4 5 6

中文翻译

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