Pin Assignment

Pin Description

Pin Name

I/O

Description

A0~A15

I

Address inputs

D0~D7

O

Data outputs

CE/CE/OE1/OE1

I

Chip enable/Output enable input

OE/OE/NC

I

Output enable input

VSS

¾

Negative power supply, ground

VCC

¾

Positive power supply

Absolute Maximum Ratings

Supply Voltage ............................................

-0.3V to 6V

Storage Temperature ............................

-50°Cto125°C

Input Voltage....................................

Operating Temperature...........................

-40°Cto85°C

Note: These are stress ratings only. Stresses exceeding the range specified under

²Absolute Maximum Ratings² may

cause substantial damage to the device. Functional operation of this device at other conditions beyond those

listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-

ity.

D.C. Characteristics

Supply voltage: 2.7V~3.6V

Ta=

-40°Cto85°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

¾¾

2.7

¾

3.6

V

Operating Current

3V

O/P Unload, f=5MHz

¾¾

10

mA

Input Low Voltage

3V

¾

¾

0.4

V

Input High Voltage

3V

¾

2.0

¾

V

Output Low Voltage

3V

¾¾

0.4

V

Output High Voltage

3V

-0.4mA

2.4

¾

V

HT23C512

Rev. 1.10

2

August 30, 2002

H T 2 3 C 5 1 2

2 8 D I P - A / S O P - A

A 1 5

A 1 2

A 7

A 6

A 5

A 4

A 3

A 2

A 1

A 0

D 0

D 1

D 2

V S S

1

2

3

4

5

6

7

8

9

1 0

1 1

1 2

1 3

1 4

2 8

2 7

2 6

2 5

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

V C C

A 1 4

A 1 3

A 8

A 9

A 1 1

O E / O E / N C

A 1 0

C E / C E / O E 1 / O E 1

D 7

D 6

D 5

D 4

D 3