K4S64323LF-SN15-PB datasheet(2/8 Pages) SAMSUNG

Part #	K4S64323LF-SN15-PB

Description	2Mx32 Mobile SDRAM 90FBGA

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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K4S64323LF-S(D)N/U/P

Rev. 1.5 Dec 2002

CMOS SDRAM

The K4S64323LF is 67,108,864 bits synchronous high data rate

Dynamic RAM organized as 4 x 524,288 words by 32 bits, fabri-

cated with SAMSUNG

′s high performance CMOS technology.

Synchronous design allows precise cycle control with the use of

system clock. I/O transactions are possible on every clock cycle.

Range of operating frequencies, programmable burst lengths and

programmable latencies allow the same device to be useful for a

variety of high bandwidth and high performance memory system

applications.

• 2.5V Power Supply.

• LVCMOS compatible with multiplexed address.

• Four banks operation.

• MRS cycle with address key programs.

-. CAS latency (1, 2 & 3).

-. Burst length (1, 2, 4, 8 & Full page).

-. Burst type (Sequential & Interleave).

• All inputs are sampled at the positive going edge of the system

clock .

• Burst read single-bit write operation.

• DQM for masking.

• Auto & self refresh.

• 64ms refresh period (4K cycle).

• Extended temperature range (-25

°C to 85°C).

Industrial Temperature range (-40

°C to 85°C) for low power.

• 90balls FBGA( -SXXX -Pb, -DXXX -Pb Free).

GENERAL DESCRIPTION

FEATURES

512K x 32Bit x 4 Banks SDRAM

FUNCTIONAL BLOCK DIAGRAM

Samsung Electronics reserves the right to

change products or specification without

notice.

*

Bank Select

Data Input Register

512K x 32

Column Decoder

Latency & Burst Length

Programming Register

LCKE

LRAS

LCBR

LWE

LDQM

CLK

CKE

CS

RAS

CAS

WE

DQM

LWE

LDQM

DQi

CLK

ADD

LCAS

LWCBR

512K x 32

Timing Register

ORDERING INFORMATION

-S(D)N ; Low Power, Operating Temp : -25

°C~85°C.

-S(D)U ; Super Low Power, Operating Temp : -25

°C~85°C.

-S(D)P ; Low Power, Operating Temp : -40

°C~85°C.

Notes :

1. In case of 55MHz Frequency, CL1 can be supported.

2. In case of 40MHz Frequency, CL1 can be supported.

3. In case of 33MHz Frequency, CL1 can be supported.

Part No.

Max Freq.

Interface Package

K4S64323LF-S(D)N/U/P75

133MHz(CL=3)*1

105MHz(CL=2)

LVCMOS

90FBGA

Pb

(Pb Free)

K4S64323LF-S(D)N/U/P1H 105MHz(CL=2)

K4S64323LF-S(D)N/U/P1L 105MHz(CL=3)*2

K4S64323LF-S(D)N/U/P15 66MHz(CL=2/3)*3

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K4S64323LF-SN15-PB Datasheet(PDF) 2 Page - Samsung semiconductor

K4S64323LF-SN15-PB Datasheet(HTML) 2 Page - Samsung semiconductor

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