Datasheet > IDT707278L

IDT707278L

更新时间： 2024-11-29 22:57:19

品牌	Logo	应用领域
艾迪悌 - IDT		静态存储器
页数	文件大小	规格书
16页	136K
描述
HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS

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中文翻译

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数据手册

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IDT707278L 数据手册

HIGH-SPEED

IDT707278S/L

32K x 16 BANK-SWITCHABLE

DUAL-PORTED SRAM WITH

EXTERNAL BANK SELECTS

Features

32K x 16 Bank-Switchable Dual-Ported SRAM Architecture

◆

Interrupt flags with programmable masking

Dual Chip Enables allow for depth expansion without

external logic

UB and LB are available for x8 or x16 bus matching

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

Available in a 100-pin Thin Quad Flatpack (14mm x 14mm)

◆

– Four independent 8K x 16 banks

– 512 Kilobit of memory on chip

◆

Fast asynchronous address-to-data access time: 15ns

User-controlled input pins included for bank selects

Independent port controls with asynchronous address &

data busses

Four 16-bit mailboxes available to each port for inter-

processor communications; interrupt option

◆

FunctionalBlockDiagram

MUX

R/W^L

CE^0L

CE1L

UBL

LBL

R/WR

CE0R

CE1R

8Kx16

MEMORY

ARRAY

CONTROL

LOGIC

CONTROL

LOGIC

(BANK 0)

LB^R

OER

OE^L

MUX

I/O

CONTROL

I/O

CONTROL

I/O8L-15L

I/O0L-7L

I/O8R-15R

I/O0R-7R

8Kx16

MEMORY

ARRAY

(BANK 1)

A12L

A12R

ADDRESS

DECODE

ADDRESS

DECODE

(1)

A0L

A0R

MUX

BA1R

BA0R

BA1L

BA0L

BANK

DECODE

BANK

DECODE

MUX

8Kx16

MEMORY

ARRAY

(BANK 3)

MUX

(2)

BKSEL3

BKSEL0

BANK

SELECT

(2)

(1)

A5R

A0R

A5L

A0L

MAILBOX

INTERRUPT

LOGIC

LBR/UBR

OER

LB^L/UB^L

OEL

R/WR

CER

R/W^L

CEL

MBSELL

INTL

MBSELR

INT^R

3739 drw 01

NOTES:

1. The first six address pins for each port serve dual functions. When MBSEL = VIH, the pins serve as memory address inputs. When MBSEL = VIL, the pins

serve as mailbox address inputs.

2. Each bank has an input pin assigned that allows the user to toggle the assignment of that bank between the two ports. Refer to Truth Table I for

more details.

MAY 2000

DSC 3739/6

12 3 4 5 6 7...16

中文翻译

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与IDT707278L相关器件

型号	品牌	获取价格	描述	数据表
IDT707278L15PF	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707278L15PF8	IDT	获取价格	Dual-Port SRAM, 32KX16, 15ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
IDT707278L15PF9	IDT	获取价格	Dual-Port SRAM, 32KX16, 15ns, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
IDT707278L15PFI	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707278L20PF	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707278L20PFI	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707278L20PFI8	IDT	获取价格	Dual-Port SRAM, 32KX16, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
IDT707278L25PF	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707278L25PFI	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707278S	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS

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