V54C3256164VDLT6I datasheet, PDF

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V54C3256164VDLT6I: DescriptionSynchronous DRAM, 16MX16, 5.4ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54; Categorystorage storage; File Size720KB，56 Pages; ManufacturerProMOS Technologies Inc

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V54C3256164VDLT6I Overview

Synchronous DRAM, 16MX16, 5.4ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54

V54C3256164VDLT6I Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	ProMOS Technologies Inc
Parts packaging code	TSOP2
package instruction	TSOP2, TSOP54,.46,32
Contacts	54
Reach Compliance Code	compliant
ECCN code	EAR99
access mode	FOUR BANK PAGE BURST
Maximum access time	5.4 ns
Other features	AUTO/SELF REFRESH
Maximum clock frequency (fCLK)	166 MHz
I/O type	COMMON
interleaved burst length	1,2,4,8
JESD-30 code	R-PDSO-G54
JESD-609 code	e0
length	22.38 mm
memory density	268435456 bit
Memory IC Type	SYNCHRONOUS DRAM
memory width	16
Number of functions	1
Number of ports	1
Number of terminals	54
word count	16777216 words
character code	16000000
Operating mode	SYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	16MX16
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	TSOP2
Encapsulate equivalent code	TSOP54,.46,32
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3.3 V
Certification status	Not Qualified
refresh cycle	8192
Maximum seat height	1.2 mm
self refresh	YES
Continuous burst length	1,2,4,8,FP
Maximum standby current	0.001 A
Maximum slew rate	0.22 mA
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	10.16 mm

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V54C3256(16/80/40)4VD*I

256Mbit SDRAM, INDUSTRIAL TEMPERATURE

3.3 VOLT, TSOP II / FBGA PACKAGE

16M X 16, 32M X 8, 64M X 4

System Frequency (f

)

Clock Cycle Time (t

CK3

)

Clock Access Time (t

AC3

) CAS Latency = 3

Clock Access Time (t

AC2

) CAS Latency = 2

166 MHz

6 ns

5.4 ns

7PC

143 MHz

7 ns

5.4 ns

143 MHz

7 ns

5.4 ns

6 ns

Features

■

4 banks x 4Mbit x 16 organization

4 banks x 8Mbit x 8 organization

4 banks x16Mbit x 4 organization

High speed data transfer rates up to 166 MHz

Full Synchronous Dynamic RAM, with all signals

referenced to clock rising edge

Single Pulsed RAS Interface

Data Mask for Read/Write Control

Four Banks controlled by BA0 & BA1

Programmable CAS Latency: 2, 3

Programmable Wrap Sequence: Sequential or

Interleave

Programmable Burst Length:

1, 2, 4, 8, and full page for Sequential Type

1, 2, 4, 8 for Interleave Type

Multiple Burst Read with Single Write Operation

Automatic and Controlled Precharge Command

Random Column Address every CLK (1-N Rule)

Power Down Mode

Auto Refresh and Self Refresh

Refresh Interval: 8192 cycles/64 ms

Available in 54 Pin TSOP II, 60 Ball FBGA, 54

Ball FBGA

LVTTL Interface

Single (3.0V~3.3 V)±0.3 V Power Supply

Industrial Temperature (TA): -40C to +85C

Description

The V54C3256(16/80/40)4VD*I is a four bank

Synchronous DRAM organized as 4 banks x 4Mbit

x 16, 4 banks x 8Mbit x 8, or 4 banks x 16Mbit x 4.

The V54C3256(16/80/40)4VD*I achieves high

speed data transfer rates up to 166 MHz by employ-

ing a chip architecture that prefetches multiple bits

and then synchronizes the output data to a system

clock

All of the control, address, data input and output

circuits are synchronized with the positive edge of

an externally supplied clock.

Operating the four memory banks in an inter-

leaved fashion allows random access operation to

occur at higher rate than is possible with standard

DRAMs. A sequential and gapless data rate of up to

166 MHz is possible depending on burst length,

CAS latency and speed grade of the device.

■

Device Usage Chart

Operating

Temperature

Range

-40°C to +85°C

Package Outline

T/S

•

Access Time (ns)

•

Power

•

7PC

•

Std.

•

Temperature

Mark

V54C3256(16/80/40)4VD*I Rev. 1.3 December 2007

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