ICX412_ データシートの表示（PDF） - Sony Semiconductor

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ICX412_

Timing Generator and Signal Processor for Frame Readout CCD Image Sensor

Sony Semiconductor 

CXD3412GA

Inverter I/O Characteristics for Oscillation

(Within the recommended operating conditions)

Item

Logical Vth

Input

voltage

Output

voltage

Feedback

resistor

Oscillation

frequency

Pins Symbol

Conditions

Min.

OSCI LVth

VIH

OSCI

VIL

0.7VDDd

VOH

OSCO

VOL

Feed current where IOH = –3.6mA VDDd – 0.8

Pull-in current where IOL = 2.4mA

OSCI,

OSCO

RFB

VIN = VDDd or VSS

500k

OSCI,

OSCO

f

20

Typ.

VDDd/2

2M

Max. Unit

V

V

0.3VDDd V

V

0.4

V

5M

Ω

50 MHz

Inverter Input Characteristics for Base Oscillation Clock Duty Adjustment

(Within the recommended operating conditions)

Item

Logical Vth

Input

voltage

Input

amplitude

Pins

CKI

Symbol

LVth

VIH

VIL

Conditions

VIN fmax 50MHz sine wave

Min.

0.7VDDd

0.3

Typ.

VDDd/2

Max. Unit

V

V

0.3VDDd V

Vp-p

Note) Input voltage is the input voltage characteristics for direct input from an external source.

Input amplitude is the input amplitude characteristics in the case of input through a capacitor.

Switching Characteristics

(VH = 15.0V, VM = GND, VL = –7.5V)

Item

Symbol

Conditions

TTLM VL to VM

Rise time

TTMH VM to VH

TTLH VL to VH

TTML VM to VL

Fall time

TTHM VH to VM

TTHL VH to VL

VCLH

VCLL

Output noise voltage

VCMH

VCML

Min.

Typ.

Max. Unit

200

350

500 ns

200

350

500 ns

30

60

90

ns

200

350

500 ns

200

350

500 ns

30

60

90

ns

1.0

V

1.0

V

1.0

V

1.0

V

Notes)

1. The MOS structure of this IC has a low tolerance for static electricity, so full care should be given for

measures to prevent electrostatic discharge.

2. For noise and latch-up countermeasures, be sure to connect a by-pass capacitor (0.1µF or more) between

each power supply pin (VH, VL) and GND.

3. To protect the CCD image sensor, clamp the SUB pin output at VH before input to the CCD image sensor.

–8–

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