KM416C4100B Datasheet

IC型號(hào)：
KM416C4100B
PDF描述：
4M x 16bit CMOS Dynamic RAM with Fast Page Mode
文件大?。?/label>
826.49KB
PDF頁數(shù)：
35頁
芯片廠家：
SAMSUNG

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KM416C4000B, KM416C4100B

CMOS DRAM

4M x 16bit CMOS Dynamic RAM with Fast Page Mode

DESCRIPTION

This is a family of 4,194,304 x 16 bit Fast Page Mode CMOS DRAMs. Fast Page Mode offers high speed random access of memory

cells within the same row. Refresh cycle(4K Ref. or 8K Ref.), access time (-45, -5 or -6) are optional features of this family. All of this fam-

ily have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. This 4Mx16 Fast Page Mode DRAM family is fabri-

cated using Samsung鈥瞫 advanced CMOS process to realize high band-width, low power consumption and high reliability.

FEATURES

鈥?Part Identification

- KM416C4000B(5.0V, 8K Ref.)

- KM416C4100B(5.0V, 4K Ref.)

鈥?/div>

Active Power Dissipation

Unit : mW

Speed

-45

-5

-6

鈥?/div>

Refresh Cycles

Part

NO.

KM416C4000B*

KM416C4100B

Refresh

cycle

Refresh time

Normal

64ms

RAS

UCAS

LCAS

鈥?Fast Page Mode operation

鈥?2CAS Byte/Word Read/Write operation

鈥?CAS-before-RAS refresh capability

鈥?RAS-only and Hidden refresh capability

鈥?Fast parallel test mode capability

鈥?TTL(5.0V) compatible inputs and outputs

鈥?Early Write or output enable controlled write

鈥?JEDEC Standard pinout

鈥?Available in Plastic TSOP(II) package

鈥?+5.0V鹵10% power supply

715

660

605

550

495

440

FUNCTIONAL BLOCK DIAGRAM

Control

Clocks

Vcc

Vss

Lower

Data in

Buffer

Sense Amps & I/O

Lower

Data out

Buffer

Upper

Data in

Buffer

Upper

Data out

Buffer

VBB Generator

* Access mode & RAS only refresh mode

: 8K cycle/64ms

CAS-before-RAS & Hidden refresh mode

: 4K cycle/64ms

鈥?/div>

Performance Range

Speed

-45

-5

-6

Refresh Timer

Refresh Control

Refresh Counter

Row Decoder

DQ0

DQ7

Memory Array

4,194,304 x 16

Cells

DQ8

DQ15

RAC

45ns

50ns

60ns

CAC

12ns

13ns

15ns

80ns

90ns

110ns

31ns

35ns

40ns

A0~A12

(A0~A11)*1

A0~A8

(A0~A9)*1

Row Address Buffer

Col. Address Buffer

Column Decoder

Note) *1 : 4K Refresh

SAMSUNG ELECTRONICS CO., LTD.

reserves the right to

change products and specifications without notice.

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