Datasheet > IDT707278S25PF8

IDT707278S25PF8

更新时间： 2024-11-15 08:47:35

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	124K
描述
Dual-Port SRAM, 32KX16, 25ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100

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中文翻译

获取价格

数据手册

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IDT707278S25PF8 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

Four independent 8K x 16 banks

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)

◆

–

– 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

CE0L

R/W

CE0R

CE1R

8Kx16

MEMORY

ARRAY

CONTROL

LOGIC

CONTROL

LOGIC

CE1L

(BANK 0)

MUX

I/O

CONTROL

I/O

CONTROL

I/O8L-15L

I/O0L-7L

I/O8R-15R

I/O0R-7R

8Kx16

MEMORY

ARRAY

(BANK 1)

12L

12R

ADDRESS

DECODE

ADDRESS

DECODE

(1)

MUX

BA1R

BA0R

BA1L

BA0L

BANK

DECODE

BANK

DECODE

MUX

8Kx16

MEMORY

ARRAY

(BANK 3)

MUX

(2)

BKSEL

BANK

SELECT

BKSEL

(1)

MAILBOX

INTERRUPT

LOGIC

LBR/UBR

/UB

R/W

R/WR

MBSEL

3739 drw 01

INTL

INTR

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IDT707278S25PF8相关器件

型号	品牌	获取价格	描述	数据表
IDT707278S25PF9	IDT	获取价格	Dual-Port SRAM, 32KX16, 25ns, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
IDT707278S25PFI	IDT	获取价格	HIGH-SPEED 32K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT70727L20PF	IDT	获取价格	Dual-Port SRAM, 64KX8, 15ns, CMOS, PQFP100, 14 X 14 MM, PLASTIC, TQFP-100
IDT707288L	IDT	获取价格	HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707288L15PF	IDT	获取价格	HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707288L15PF8	IDT	获取价格	Dual-Port SRAM, 64KX16, 15ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM, TQFP-100
IDT707288L15PF9	IDT	获取价格	Dual-Port SRAM, 64KX16, 15ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM, TQFP-100
IDT707288L15PFG	IDT	获取价格	Dual-Port SRAM, 64KX16, 15ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM, TQFP-100
IDT707288L15PFI	IDT	获取价格	HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707288L20G	IDT	获取价格	HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS

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