48SD3208RPFI 参数 Datasheet PDF下载

256Mb (8-Meg X 8-Bit X 4-Banks) SDRAM

T

ABLE

4. DC E

LECTRICAL

C

HARACTERISTICS

48SD3208

S

UBGROUPS

1, 2, 3

M

IN

M

AX

2

U

NITS

mA

(V

CC

= 3.3V + 0.3V, V

CC

Q = 3.3V + 0.3V, T

A

= -55

TO

125°C,

UNLESS OTHERWISE SPECIFIED

)

P

ARAMETER

Standby Current in Power Down

( input signal stable)

5

Standby Current in non power down

6

Standby Current in non power down

( Input signal stable)

7

Active standby current in

power down

1, 2, 4

Active standby current in power down

(input signal stable)

2, 5

Active standby power in

non power down

1,2, 6

Active standby current in non power

down ( input signal stable)

2,7

Burst Operating Current1

1,2,8

CAS Latency = 2

CAS Latency = 3

Refresh Current

3

Self Refresh current

9

Input Leakage Current

Output Leakage Current

Output high voltage

S

YMBOL

I

CC2PS

T

EST

C

ONDITIONS

CKE = V

IL

t

CK

= 0

CKE, CS = V

IH

t

CK

= 12 ns

CKE = V

IH

t

CK

= 0

CKE = V

IL

t

CK

= 12 ns

CKE = V

IL

t

CK

= 0

CKE, CS = V

IH

t

CK

= 12 ns

CKE = V

IH

t

CK

= 0

t

CK

= min

BL = 4

t

RC

= min

V

IH

>V

CC

- 0.2V

V

IL

< 0.2 V

0<V

IN

<V

CC

0<VOUT<V

CC

I

OH

= -4mA

I

CC2N

I

CC2NS

I

CC3P

I

CC3PS

I

CC3N

I

CC3NS

I

CC4

1, 2, 3

1, 2, 3

1, 2, 3

1, 2, 3

1, 2, 3

1, 2, 3

1, 2, 3

20

9

4

3

30

15

mA

mA

mA

mA

mA

mA

mA

Memory

110

145

1, 2, 3

1, 2, 3

1, 2, 3

1, 2, 3

1, 2, 3

-1

-1.5

2.4

220

3

1

1.5

mA

mA

uA

uA

V

I

CC5

I

CC6

I

LI

I

LO

V

OH

I

OL

= 4 mA

1, 2, 3

0.4

V

Output low voltage

V

OL

1. I

CC1

depends on output load conditions when the device is selected. I

CC1

(max) is specified with the output open.

2. One bank operation.

3. Input Signals are changed once per one clock.

4. After power down mode, CLK operating current.

5. After power down mode, no CLK operating current.

6. Input signals are changed once per two clocks.

7. Input signals are V

IH

or V

IL

fixed.

8. Input signals are changed once per four clocks.

9. After self refresh mode set, self refresh current. Self refresh mode Should be used at temperatures below 70

°C

01.10.05 Rev 2

All data sheets are subject to change without notice

4

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