ICX252 データシートの表示（PDF） - Sony Semiconductor

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ICX252

Timing Generator and Signal Processor for Frame Readout CCD Image Sensor

Sony Semiconductor 

CXD3406GA

Inverter I/O Characteristics for Oscillation

(Within the recommended operating conditions)

Item

Pins

Symbol

Conditions

Min. Typ. Max. Unit

Logical Vth OSCI

LVth

Input

voltage

OSCI

VIH

VIL

Output

voltage

OSCO

VOH

VOL

Feedback

resistor

OSCI, OSCO RFB

Oscillation

frequency

OSCI, OSCO f

VDDd/2

V

0.7VDDd

V

0.3VDDd V

Feed current where IOH = –3.6mA VDDd – 0.8

V

Pull-in current where IOL = 2.4mA

0.4 V

VIN = VDDd or VSS

500k

2M 5M Ω

20

50 MHz

Inverter Input Characteristics for Base Oscillation Clock Duty Adjustment

(Within the recommended operating conditions)

Item

Pins

Logical Vth

Input

voltage

CKI

Input

amplitude

Symbol

LVth

VIH

VIL

Conditions

VIN

fmax 50MHz sine wave

Min.

0.7VDDd

Typ. Max. Unit

VDDd/2

V

V

0.3VDDd V

0.3

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

Min.

Typ. Max. Unit

TTLM VL to VM

200

350

500 ns

Rise time

TTMH VM to VH

200

350

500 ns

TTLH VL to VH

30

60

90 ns

TTML VM to VL

200

350

500 ns

Fall time

TTHM VH to VM

200

350

500 ns

TTHL VH to VL

30

60

90 ns

VCLH

1.0 V

Output noise voltage

VCLL

VCMH

1.0 V

1.0 V

VCML

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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