MB40C238 datasheet(3/10 Pages) FUJITSU

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MB40C238

s PIN DESCRIPTION

Note: The values in parentheses are standard.

Pin No.

Symbol

Description

5, 19, 22

AVDD

Analog power supply (+3.0 V)

DVDD

Digital power supply (+3.0 V)

1, 4, 7, 23

AVSS

Analog power supply ground pin (0 V)

8DVSS

Digital power supply ground pin (0 V)

9, 10, 11, 12,

13, 14, 15, 16

D7 to D0

Digital output pin (D7: MSB, D0: LSB)

CLK

Clock input pin

VINA

A/D converter analog input pin

Input range is VRB to VRT (0 to 1.5 V: standard)

VRTC

VRT voltage adjustment amp input pin (VRTC: 1.5 V is output when opened.)

VRT

Reference voltage output pin on top side.

The voltage fed to VRTC is output. (1.5 V: standard)

3VRB

Reference voltage input pin on bottom side (0 V: standard)

6CE

Input pin for toggling standby function.

Input high signal brings the ADC and reference voltage circuit.

2OE

Input pin for toggling output high impedance function.

Input high signal brings the ADC output high impedance state.

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