Approximate Internal Connection Circuits

Absolute Maximum Ratings

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

-50°Cto125°C

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

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

¾¾

2.5

5

5.5

V

Operating Current

5V

¾¾

37

mA

Standby Current

5V

(Not include PWDN

pull-low current)

¾

15

mA

Input Low Voltage

5V

¾¾

¾

1.0

V

Input High Voltage

5V

¾

4.0

¾¾

V

Input Low Current

5V

¾¾

0.1

mA

Input High Current

5V

¾¾

0.1

mA

Pull-high Resistance (OE)

5V

70

110

160

k

W

Pull-low Resistance (INH, PWDN)

5V

150

250

375

k

W

Input Impedance (VN, VP)

5V

¾¾

10

¾

M

W

Source Current (D0~D3, EST, DV)

5V

-0.4

-0.8

¾

mA

Sink Current (D0~D3, EST, DV)

5V

1.0

2.5

¾

mA

System Frequency

5V

Crystal=3.5795MHz

3.5759

3.5795

3.5831

MHz

HT9172

Rev. 1.00

3

March 30, 2006

V -

V +

O P E R A T I O N A L

A M P L I F I E R

V N

V P

G S

X 1

X 2

O S C I L L A T O R

C M O S I N

P u l l - h i g h

C M O S O U T

T r i s t a t e

E N

C M O S O U T

C M O S I N / O U T

V R E F

O P A

O P A

2 0 p F

1 0 M

1 0 p F

C M O S I N

P u l l - l o w