Datasheet > IDT707288L

IDT707288L

更新时间： 2024-11-13 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
6页	69K
描述
HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS

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中文翻译

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IDT707288L 数据手册

HIGH-SPEED

ADVANCED

IDT707288S/L

64K x 16 BANK-SWITCHABLE

DUAL-PORTED SRAM WITH

EXTERNAL BANK SELECTS

Integrated Device Technology, Inc.

FEATURES:

• 64K x 16 Bank-Switchable Dual-Ported SRAM Architecture

- Four independent 16K x 16 banks

- 1 Megabit of memory on chip

• Fast asynchronous address-to-data access time: 20ns

• User-controlled input pins included for bank selects

DESCRIPTION:

The IDT707288 is a high-speed 64K x 16 (1M bit) Bank-

Switchable Dual-Ported SRAM organized into four indepen-

dent 16K x 16 banks. The device has two independent ports

with separate controls, addresses, and I/O pins for each port,

allowing each port to asynchronously access any 16K x 16

• Independent port controls with asynchronous address & memory block not already accessed by the other port. Ac-

data busses

cesses by the ports into specific banks are controlled via bank

select pin inputs under the user's control. Mailboxes are

provided to allow inter-processor communications. Interrupts

are provided to indicate mailbox writes have occurred. An

automatic power down feature controlled by the chip enables

(CE0 and CE1) permits the on-chip circuitry of each port to

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

processor communications; interrupt option

• Interrupt flags with programmable masking

• Dual Chip Enables allow for depth expansion without

external logic

• UB and LB are available for bus matching to x8 or x16 enter a very low standby power mode and allows fast depth

busses; also support very fast banking

expansion.

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

The IDT707288 offers a maximum address-to-data access

• Available in a 100-pin Thin Quad Plastic Flatpack (TQFP) time as fast as 20ns, while typically operating on only 900mW

and a 108-pin ceramic Pin Grid Array (PGA)

of power, and is available in a 100-pin Thin Quad Plastic

Flatpack (TQFP)anda108-pinceramicPinGridArray(PGA).

FUNCTIONAL BLOCK DIAGRAM

MUX

16Kx16

MEMORY

ARRAY

CONTROL

LOGIC

CONTROL

LOGIC

CE1L

CE1R

(BANK 0)

MUX

I/O

CONTROL

I/O

CONTROL

I/O8L-15L

I/O0L-7L

I/O8R-15R

I/O0R-7R

16Kx16

MEMORY

ARRAY

(BANK 1)

13L

13R

ADDRESS

DECODE

ADDRESS

DECODE

(1)

A0L

MUX

BA1R

BA0R

BA1L

BA0L

BANK

DECODE

BANK

DECODE

MUX

16Kx16

MEMORY

ARRAY

(BANK 3)

MUX

(2)

BKSEL

BANK

SELECT

(1)

A0R

A0L

MAILBOX

INTERRUPT

LOGIC

3592 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 Table I for more details.

The IDT logo is a registered trademark of Integrated Device Technology

COMMERCIAL TEMPERATURE RANGE

OCTOBER 1996

For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.

DSC-3592/-

6.29

12 3 4 5 6

中文翻译

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与IDT707288L相关器件

型号	品牌	获取价格	描述	数据表
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
IDT707288L20PF	IDT	获取价格	HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS
IDT707288L20PF8	IDT	获取价格	Dual-Port SRAM, 64KX16, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM, TQFP-100
IDT707288L20PFG	IDT	获取价格	Dual-Port SRAM, 64KX16, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM, TQFP-100
IDT707288L20PFI	IDT	获取价格	HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS

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