Datasheet > AS4C256K16E0

AS4C256K16E0

更新时间： 2022-11-24 21:41:34

品牌	Logo	应用领域
ALSC		动态存储器
页数	文件大小	规格书
24页	632K
描述
5V 256Kx16 CMOS DRAM (EDO)

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AS4C256K16E0 数据手册

AS4C256K16E0

Absolute maximum ratings

Parameter

Symbol

V_in

Min

-1.0

Max

+7.0

+70

+150

260 × 10

Unit

Input voltage

Output voltage

V_out

Power supply voltage

Operating temperature

Storage temperature (plastic)

Soldering temperature × time

Power dissipation

V_CC

T_OPR

T_STG

°C

-55

–

°C

^oC × sec

T_SOLDER

P_D

–

Short circuit output current

Latch-up current

I_out

–

200

–

NOTE: Stresses greater than those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional

operation of the device at these or any other conditions outside those indicated in the operational sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect reliability.

DC electrical characteristics

-30

-35

-50

Parameter

Symbol Test conditions

Min Max Min Max Min Max Unit Note

Input leakage

current

0V ≤ V_in≤ +5.5V

pins not under test = 0V

I_IL

-10

–

-10

–

-10

–

10 µA

140 mA

2.0 mA

Output leakage

current

D_OUTdisabled,

0V ≤ V_out≤ +5.5V

I_OL

Operating power

supply current

RAS, UCAS, LCAS, address cycling;

t_RC=min

I_CC1

180

2.0

160

2.0

1,2

TTL standby power

supply current

I_CC2

RAS = UCAS = LCAS = V_IH

–

Average power

supply current,

RAS refresh mode

RAS cycling,

UCAS = LCAS = V_IH,

t_RC= min

I_CC3

I_CC4

I_CC5

I_CC6

–

200

190

1.0

–

190

180

1.0

–

140 mA

70 mA

1.0 mA

140 mA

EDO page mode

average power

supply current

RAS=UCAS=LCAS=V_IL,

address cycling: t_SC= min

1,2

CMOS standby

power supply

current

RAS=UCAS=LCAS= V_CC- 0.2V

CAS-before-RAS

refresh power

supply current

RAS, UCAS, LCAS, cycling;

t_RC= min

200

190

V_OH

V_OL

I_OUT= -5.0 mA

I_OUT= 4.2 mA

2.4

–

2.4

–

2.4

–

Output Voltage

0.4

RAS = UCAS = LCAS=V_IL,

WE = OE = A0-A8 = V_CC-0.2V,

DQ0-DQ15 = V_CC-0.2V,

0.2V are open

Self refresh

current

I_CC7

–

2.0

–

2.0

–

2.0 mA

Shaded areas contain advance information.

4/11/01; v.1.1

Alliance Semiconductor

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