V54C3256164VBUC 查看數據表（PDF） - Mosel Vitelic, Corp

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V54C3256164VBUC

V54C3256164VBUC/T LOW POWER 256Mbit SDRAM 3.3 VOLT, 54-BALL SOC BGA 54-PIN TSOPII 16M X 16

Mosel Vitelic, Corp 

MOSEL VITELIC

Capacitance*

TA = 0 to 70°C, VCC = 3.3 V ± 0.3 V, f = 1 Mhz

Symbol Parameter

Max. Unit

CI1

Input Capacitance (A0 to A12)

5 pF

CI2

Input Capacitance

5 pF

RAS, CAS, WE, CS, CLK, CKE, DQM

CIO

CCLK

Output Capacitance (I/O)

Input Capacitance (CLK)

6.5 pF

4 pF

*Note:Capacitance is sampled and not 100% tested.

V54C3256164VBUC/T

Absolute Maximum Ratings*

Operating temperature range .................. 0 to 70 °C

Storage temperature range ................-55 to 150 °C

Input/output voltage.................. -0.3 to (VCC+0.3) V

Power supply voltage .......................... -0.3 to 4.6 V

Power dissipation ..............................................1 W

Data out current (short circuit).......................50 mA

*Note:

Stresses above those listed under “Absolute Maximum

Ratings” may cause permanent damage of the device.

Exposure to absolute maximum rating conditions for

extended periods may affect device reliability.

Block Diagram

x16 Configuration

Column Addresses

A0 - A8, AP, BA0, BA1

Row Addresses

A0 - A12, BA0, BA1

Column address

counter

Column address

buffer

Row address

buffer

Refresh Counter

Row decoder

Memory array

Bank 0

8192 x 512

x 16 bit

Row decoder

Memory array

Bank 1

8192 x 512

x16 bit

Row decoder

Memory array

Bank 2

8192 x 512

x 16 bit

Row decoder

Memory array

Bank 3

8192 x 512

x 16 bit

Input buffer Output buffer

I/O1-I/O16

Control logic & timing generator

V54C3256164VBUC/T Rev1.1 February 2003

4

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