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IDT7034L15PF中文資料

IDT7034L15PF中文資料

IDT7034L15PF中文資料

IDT7034L15PF中文資料

?1999 Integrated Device Technology, Inc.

SEPTEMBER 1999

DSC 4089/6

IDT7034S/L

HIGH-SPEED

4K x 18 DUAL-PORT STATIC RAM

Features:

x True Dual-Ported memory cells which allow simultaneous reads of the same memory location x

High-speed access

Commercial: 15/20ns (max.)x

Low-power operation IDT7034S

Active: 850mW (typ.)Standby: 5mW (typ.) IDT7034L

Active: 850mW (typ.)Standby: 1mW (typ.)

x

Separate upper-byte and lower-byte control for multiplexed bus compatibility

x

IDT7034 easily expands data bus width to 36 bits or more

using the Master/Slave select when cascading more than one device

x

M/S = H for BUSY output flag on Master M/S = L for BUSY input on Slave x Interrupt Flag

x On-chip port arbitration logic

x

Full on-chip hardware support of semaphore signaling between ports

x Fully asynchronous operation from either port x Battery backup operation 2V data retention x TTL-compatible, single 5V (±10%) power supply x Available in 100-pin Thin Quad Flatpack

x

Industrial temperature range ( 40°C to +85°C) is available
for selected speeds

Industrial temperature range ( 40°C to +85°C) is available for selected speeds

Functional Block Diagram

NOTES:

1.(MASTER): BUSY is output; (SLAVE): BUSY is input.

2.BUSY outputs and INT outputs are non-tri-stated push-pull.

IDT7034L15PF中文資料

R/W L

BUSY L

A 11L A 0L

4089drw 01

UB L

LB L CE L OE L

I/O 9L -I/O 17L I/O 0L -I/O 8L

SEM L

INT L

R/W R

BUSY R

UB R

LB R CE R OE R

I/O 9R -I/O 17R I/O 0R -I/O 8R

A 11R A 0R

SEM R

INT R

(1,2)

(2)元器件交易網http://www.vwwsqw.shop/doc/97258025e2bd960590c677d7.html

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