IDT70V657S15BCGI datasheet, PDF

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IDT70V657S15BCGI: DescriptionDual-Port SRAM, 32KX36, 15ns, CMOS, PBGA256, 17 X 17 MM, 1.40 MM HEIGHT, 1 MM PITCH, GREEN, BGA-256; Categorystorage storage; File Size211KB，24 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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IDT70V657S15BCGI Overview

Dual-Port SRAM, 32KX36, 15ns, CMOS, PBGA256, 17 X 17 MM, 1.40 MM HEIGHT, 1 MM PITCH, GREEN, BGA-256

IDT70V657S15BCGI Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	IDT (Integrated Device Technology)
Parts packaging code	BGA
package instruction	LBGA, BGA256,16X16,40
Contacts	256
Reach Compliance Code	compliant
ECCN code	3A991.B.2.A
Maximum access time	15 ns
I/O type	COMMON
JESD-30 code	S-PBGA-B256
JESD-609 code	e1
length	17 mm
memory density	1179648 bit
Memory IC Type	DUAL-PORT SRAM
memory width	36
Humidity sensitivity level	3
Number of functions	1
Number of ports	2
Number of terminals	256
word count	32768 words
character code	32000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	32KX36
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	LBGA
Encapsulate equivalent code	BGA256,16X16,40
Package shape	SQUARE
Package form	GRID ARRAY, LOW PROFILE
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	260
power supply	2.5/3.3,3.3 V
Certification status	Not Qualified
Maximum seat height	1.5 mm
Maximum standby current	0.015 A
Minimum standby current	3.15 V
Maximum slew rate	0.49 mA
Maximum supply voltage (Vsup)	3.45 V
Minimum supply voltage (Vsup)	3.15 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Silver/Copper (Sn/Ag/Cu)
Terminal form	BALL
Terminal pitch	1 mm
Terminal location	BOTTOM
Maximum time at peak reflow temperature	30
width	17 mm

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HIGH-SPEED 3.3V

IDT70V659/58/57S

128/64/32K x 36

ASYNCHRONOUS DUAL-PORT

STATIC RAM

Features

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

for

BUSY

output flag on Master,

M/S = V

for

BUSY

input on Slave

Busy and Interrupt Flags

On-chip port arbitration logic

◆

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

Functional Block Diagram

BBBB

EEEE

3 2 10

RRRR

Dout0-8_L

Dout0-8_R

Dout9-17_L

Dout9-17_R

Dout18-26_L Dout18-26_R

Dout27-35_L Dout27-35_R

128/64/32K x 36

MEMORY

ARRAY

I/O

0L-

I/O

35L

Di n_L

Di n_R

I/O

0R -

I/O

35R

16 L(1)

Address

Decoder

ADDR_L

ADDR_R

Address

Decoder

16R(1)

R/W

BUSY

L(2,3)

SEM

INT

L(3)

ARBITRATION

INTERRUPT

SEMAPHORE

LOGIC

R/W

M/S

BUSY

R(2,3)

SEM

INT

R(3)

TDI

TDO

JTAG

TMS

TCK

TRST

4869 drw 01

NOTES:

1. A

is a NC for IDT70V658. Also, Addresses A

and A

are NC's for IDT70V657.

BUSY

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

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

BUSY

and

INT

are non-tri-state totem-pole outputs (push-pull).

MARCH 2005

DSC-4869/6

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