MSC23B2321D-70BS4 查看數據表（PDF） - Oki Electric Industry

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MSC23B2321D-70BS4

2,097,152-word x 32-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE

Oki Electric Industry 

Semiconductor

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings

Parameter

Voltage on Any Pin Relative to VSS

Voltage on VCC Supply Relative to VSS

Short Circuit Output Current

Power Dissipation

Operating Temperature

Storage Temperature

Symbol

VIN, VOUT

VCC

IOS

PD *

TOPR

TSTG

* Ta = 25°C

Rating

-1.0 to +7.0

-1.0 to +7.0

50

4

0 to +70

-40 to +125

MSC23B2321D

Unit

V

V

mA

W

°C

°C

Recommended Operating Conditions

( Ta = 0°C to +70°C )

Parameter

Symbol

Min.

Typ.

Max.

Unit

Power Supply Voltage

VCC

4.5

5.0

5.5

V

VSS

0

0

0

V

Input High Voltage

VIH

2.4

-

6.5

V

Input Low Voltage

VIL

-1.0

-

0.8

V

Capacitance

Parameter

Input Capacitance (A0 - A9)

Input Capacitance (/WE)

Input Capacitance (/RAS0- /RAS3)

Input Capacitance (/CAS0- /CAS3)

I/O Capacitance (DQ0 - DQ31)

Note: Capacitance measured with Boonton Meter.

( VCC = 5V ± 10%, Ta = 25°C, f = 1 MHz )

Symbol Typ.

Max.

Unit

CIN1

-

31

pF

CIN2

-

35

pF

CIN3

-

13

pF

CIN4

-

20

pF

CDQ

-

20

pF

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