Datasheet > 7038L15PFGI8

7038L15PFGI8

更新时间： 2024-10-03 01:00:35

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
17页	683K
描述
HIGH-SPEED 64K x 18 DUAL-PORT STATIC RAM

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中文翻译

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数据手册

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7038L15PFGI8 数据手册

HIGH-SPEED

IDT7038L

64K x 18 DUAL-PORT

STATIC RAM

Features

◆

M/S = VIH for BUSY output flag on Master,

M/S = VIL for BUSY input on Slave

Interrupt Flag

◆

True Dual-Ported memory cells which allow simultaneous

reads of the same memory location

High-speed access

◆

On-chip port arbitration logic

– Commercial: 15/20ns (max.)

– Industrial: 20ns (max.)

Full on-chip hardware support of semaphore signaling

between ports

◆

Low-power operation

◆

Fully asynchronous operation from either port

Separate upper-byte and lower-byte controls for multi-

plexed bus and bus matching compatibility

TTL-compatible, single 5V (±10%) power supply

Available in a 100-pin TQFP

– IDT7038L

Active: 1W (typ.)

Standby: 1mW (typ.)

◆

Dual chip enables allow for depth expansion without

external logic

Industrial temperature range (–40°C to +85°C) is available

for selected speeds

IDT7038 easily expands data bus width to 36 bits or

more using the Master/Slave select when cascading more

than one device

◆

Green parts available, see ordering information

FunctionalBlockDiagram

R/WR

UBL

UBR

CE0L

CE0R

CE1L

CE1R

LBR

I/O 9-17L

I/O 0-8L

I/O9-17R

I/O0-8R

I/O

Control

I/O

Control

(1,2)

BUSY

64Kx18

MEMORY

ARRAY

7038

15L

15R

Address

Decoder

Address

Decoder

ARBITRATION

INTERRUPT

SEMAPHORE

LOGIC

CE0R

CE0L

CE1L

CE1R

OEL

OER

R/W

R/WR

SEM

(2)

INTR

INT

M/S⁽¹⁾

4837 drw 01

NOTES:

1. BUSY is an input as a Slave (M/S = VIL) and an output when it is a Master (M/S = VIH).

2. BUSY and INT are non-tri-state totem-pole outputs (push-pull).

FEBRUARY 2015

DSC-4837/5

12 3 4 5 6 7...17

中文翻译

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