IDT70V659 Integrated Device Technology, Inc., IDT70V659 Datasheet

IDT70V659

Manufacturer Part Number

IDT70V659

Description

Manufacturer

Integrated Device Technology, Inc.

Datasheet

1.IDT70V658.pdf (24 pages)

Specifications of IDT70V659

Package

BGA

Date_code

09+

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Download datasheet (211Kb)

Features

◆ ◆ ◆ ◆ ◆

Functional Block Diagram

NOTES:

1. A

2. BUSY is an input as a Slave (M/S=V

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

True Dual-Port memory cells which allow simultaneous

access of the same memory location

High-speed access

– Commercial: 10/12/15ns (max.)

– Industrial: 12/15ns (max.)

Dual chip enables allow for depth expansion without

external logic

IDT70V659/58/57 easily expands data bus width to 72 bits

or more using the Master/Slave select when cascading

more than one device

M/S = V

Busy and Interrupt Flags

On-chip port arbitration logic

is a NC for IDT70V658. Also, Addresses A

for BUSY input on Slave

for BUSY output flag on Master,

R/ W

I/O

BUSY

0L-

SEM

16 L (1)

INT

I/O

L (2,3)

35L

L (3)

) and an output when it is a Master (M/S=V

Decoder

Address

and A

HIGH-SPEED 3.3V

128/64/32K x 36

ASYNCHRONOUS DUAL-PORT

STATIC RAM

TDO

R/W

TDI

are NC's for IDT70V657.

Dout0-8_L

Dout9-17_L

Dout18-26_L

Dout27-35_L

Di n_L

ADDR_L

128/64/32K x 36

ARBITRATION

SEMAPHORE

INTERRUPT

MEMORY

ARRAY

JTAG

LOGIC

M/S

Dout18-26_R

Dout27-35_R

Dout9-17_R

◆ ◆ ◆ ◆ ◆

◆

◆ ◆ ◆ ◆ ◆

Dout0-8_R

ADDR_R

Di n_R

Full on-chip hardware support of semaphore signaling

between ports

Fully asynchronous operation from either port

Separate byte controls for multiplexed bus and bus

matching compatibility

Supports JTAG features compliant to IEEE 1149.1

LVTTL-compatible, single 3.3V (±150mV) power supply for

core

LVTTL-compatible, selectable 3.3V (±150mV)/2.5V (±100mV)

power supply for I/Os and control signals on each port

Available in a 208-pin Plastic Quad Flatpack, 208-ball fine

pitch Ball Grid Array, and 256-ball Ball Grid Array

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

for selected speeds

Green parts available, see ordering information

R/W

TMS

TCK

TRST

Address

Decoder

IDT70V659/58/57S

BUSY

SEM

INT

4869 drw 01

R (3)

R (2,3)

R/ W

I/O

16R (1)

0R -

I/O

MARCH 2005

35R

DSC-4869/6

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