Sony CXD2408R Datasheet

CXD2408R

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Timing Generator for Progressive Scan CCD Image Sensor

Description

The CXD2408R is an IC developed to generate the
timing pulses required by the Progressive Scan
CCD image sensors as well as signal processing
circuits.

Features

• EIA support

• Electronic shutter function

• Random trigger shutter function

• Sync signal generator

• Supports external synchronization

• Supports non-interlaced operation

• Base oscillation 1560fh (24.5454MHz)

Applications

Progressive Scan CCD cameras

Structure

Silicon gate CMOS IC

Absolute Maximum Ratings

• Supply voltage VDD VSS – 0.5 to +7.0 V

• Input voltage VI VSS – 0.5 to VDD + 0.5 V

• Output voltage VO VSS – 0.5 to VDD + 0.5V

• Operating temperature Topr –20 to +75 °C

• Storage temperature Tstg –55 to +150 °C

Recommended Operating Conditions

• Supply voltage VDD 4.75 to 5.25 V

• Operating temperature Topr –20 to +75 °C

64 pin LQFP (Plastic)

Applicable CCD Image Sensors

ICX074AK, ICX074AL

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

– 1 –

E94611B68-PS

Block Diagram

CXD2408R

RG

XH1
XH2

XSHP

XSHD

XRS

XV1
XV2
XV3

XSG
XHHG1A
XHHG1B

XHHG2

XVOG

XVHOLD

11
13
14

29
30
26

22
27
15

16

17
18
19

28

25

47

WEN

46

GATE

ID

XCPDM

XCPOB

PBLK

43

44

42

45

PULSE GENERATOR

1/2

RM

41

TG

RDM

39

REVH

OCTL

37

38

COUNTER

DECODE

EXT

REND

36

59

VDI

58

HDO

VDO

HDI

60

57

61

OUTPUT CONTROL

H-DECODER

1/390

GATE

SYNC

FLD

BLK

53

54

V-CONTROL

V-DECODER

TEST CIRCUIT

51

O2FH

50

1/525

CLD

49

CL

62

35
34
33

63

20
21
31
32
48

52

VRI
HRI

TEST1
TEST2
TEST3
TEST4
TEST8
TEST7
TEST6
TEST5

NC

64

CKI

1

2

OSCO

24.5MHz

OSCI

10

8

3

SS

V

TRIG

PS

4

ED0

5

ED1

6

ED2

7

SMD1

9

SMD2

12

23

XSUB

SS

V

24

DD

V

40

SS

V

55

SS

V

56

DD

V

– 2 –

Pin Configuration

CL

CLD

O2FH

NC
FLD
BLK

VSS
VDD

SYNC

HDI
VDI

HDO

VDO

HRI
VRI
CKI

49
50
51
52
53

56
57
58
59
60

61

62
63
64

54
55

TEST8

1

4748

2

WEN

46

CXD2408R

SS

ID

44

45

XCPDM

43

RM

42

XCPOB

PBLK

RDM

41

V

40

OCTL

39

REVH

38

CXD2408R (G/A)

6

3

5

4

7

9

8

10

11

37

12

REND

36

13

EXT

TEST7

35

14

TEST6

34

15

TEST5

33

16

32
31
30
29
28
27
26
25
24
23
22
21

20
19
18
17

TEST4
TEST3
XRS
XSHD
XSHP
XSG
XV1
XV2

DD

V
VSS
XV3
TEST2
TEST1
XVHOLD
XVOG
XHHG2

OSCO

OSCI

PS

ED0

ED1

ED2

SMD1

SS

V

SMD2

TRIG

RG

XSUB

XH1

XH2

XHHG1B

XHHG1A

– 3 –

Pin Description

CXD2408R

Pin
No.

1
2

3
4

5
6
7
8

9
10
11
12
13
14

Symbol I/O Description

OSCO
OSCI

PS
ED0

ED1
ED2
SMD1
Vss
SMD2
TRIG
RG
XSUB
XH1
XH2

O

Inverter output for oscillation.

I

Inverter input for oscillation.
Switching for electronic shutter speed input method. (With pull-down resistor)

I

Low: Parallel input, High: Serial input

I

Shutter speed setting. Strobe input for serial mode. (With pull-up resistor)

I

Shutter speed setting. Clock input for serial mode. (With pull-up resistor)

I

Shutter speed setting. Data input for serial mode. (With pull-up resistor)

I

Shutter mode setting. (With pull-up resistor)

—

GND

I

Shutter mode setting. (With pull-up resistor)

I

Trigger input for random trigger shutter.

O

Reset gate pulse output.

O

CCD discharge pulse output.

O

Clock output for CCD horizontal register drive.

O

Clock output for CCD horizontal register drive.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

XHHG1A
XHHG1B
XHHG2
XVOG
XVHOLD
TEST1
TEST2
XV3
Vss
VDD
XV2
XV1
XSG
XSHP
XSHD
XRS
TEST3

O

Clock output for transfer between CCD horizontal registers.

O

Clock output for transfer between CCD horizontal registers.

O

Clock output for transfer between CCD horizontal registers.

O

Clock output for transfer from CCD vertical register to CCD horizontal register.

O

Clock output for adjusting timing of transfer to CCD horizontal register.

O

Test output. Normally open.

O

Test output. Normally open.

O

Clock output for CCD vertical register drive.

—

GND

—

Power supply.

O

Clock output for CCD vertical register drive.

O

Clock output for CCD vertical register drive.

O

CCD sensor charge readout pulse output.

O

Precharge level sample-and-hold pulse.

O

Data sample-and-hold pulse.

O

Sample-and-hold pulse.

O

Test output. Normally open.
32
33
34
35

TEST4
TEST5
TEST6
TEST7

O

Test output. Normally open.

O

Test output. Normally open.

O

Test output. Normally open.

I

Test input. Set at Low in normal operation. (With pull-down resistor)

– 4 –

CXD2408R

Pin

No.

36

37

38

39
40
41

42
43

44
45
46

Symbol I/O Description

EXT

REND

REVH

OCTL
Vss
RDM

RM
XCPDM

XCPOB
PBLK
ID

Internal synchronization/external synchronization switching. (With pull-down resistor)

I

Low: Internal synchronization, High: External synchronization
Normal reset/direct reset switching. (With pull-down resistor)

I

Low: Normal reset, High: Direct reset
V reset/HV reset switching. (With pull-down resistor)

I

Low: V reset, High: HV reset
O2FH output control. (With pull-down resistor)

I

Low: No output, High: Output

—

GND
Normal operation/random trigger shutter switching. (With pull-down resistor)

I

Low: Normal operation, High: Random trigger shutter
Switching for output mode. (With pull-down resistor)

I

Low: Non-interlaced, High: Interlaced

O

Clamp pulse output.

O

Clamp pulse output.

O

Blanking cleaning pulse output.

O

Line identification output.
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63

WEN
TEST8
CL
CLD
O2FH
NC
FLD
BLK
Vss
VDD
SYNC
HDI
VDI
HDO
VDO
HRI
VRI

O

Write enable output.

I

Test input. (With pull-down resistor)

O

fck clock output. (0°)

O

fck clock output. (180°)

O

2 fH output.

—

O

Field pulse output.

O

Composite blanking output.

—

GND

—

Power supply.

O

Composite sync output.

I

Horizontal sync signal input.

I

Vertical sync signal input.

O

Horizontal sync signal output.

O

Vertical sync signal output.

I

Horizontal reset signal input.

I

Vertical reset signal input.
64

CKI

I

2 fck clock input.

– 5 –

CXD2408R

Electrical Characteristics
DC Characteristics (VDD = 4.75 to 5.25V, Topr = –20 to +75°C)

Item

Supply voltage
Input voltage 1

(Input pins other than those below)
Input voltage 2

(Pins 7, 9, 10, 58, 59, 62, 63, and 64)
Output voltage 1

(Output pins other than those below)

Output voltage 2 (Pins 28, 29, 30,
31, 32, 33, 34, 49 and 50)

Output voltage 3
(Pins 11, 13, and 14)

Output voltage 4
(Pin 1)

Feedback resistor
Pull-up resistor
Pull-down resistor

Current consumption

Symbol Conditions Min. Typ. Max. Unit
VDD
VIH1
VIL1
VIH2
VIL2
VOH1
VOL1
VOH2
VOL2
VOH3
VOL3
VOH4
VOL4
RFB
RPU
RPD

IOH = –2mA
IOL = 4mA
IOH = –4mA
IOL = 8mA
IOH = –12mA
IOL = 12mA
IOH = –12mA
IOL = 12mA
VIN = Vss or VDD
VIL = 0V
VIN = VDD

4.75

0.7VDD

0.7VDD

–0.8

–0.8

VDD – 0.8

VDD/2

250k

5.0

1M
50k
50k

5.25

0.3VDD

0.3VDD

0.4

0.4

0.4

VDD/2

2.5M

V
V
V
V
V
V
V
V
V
V
V
V
V

Ω
Ω
Ω

VDD = 5V

IDD

ICX074AL in normal

35

mA

operating state

I/O Pin Capacitances (VDD = VI = 0V, fM = 1MHz)

Item
Input pin capacitance
Output pin capacitance

Symbol Min. Typ. Max. Unit
CIN
COUT

—
—

—
—

9

11

pF
pF

– 6 –

AC Characteristics

1) Phase characteristics of XH1, RG, XSHP, XSHD, XRS, CL, and CLD

tCK

CXD2408R

CK

XH1

RG

XSHP

XSHD

XRS

CL

CLD

Vpp/2

0.3VDD

0.3VDD

0.3VDD

tpd11

0.3VDD

tpd1

0.7VDD

tpd3 tpd4

tpd5

tpd7

0.3VDD
tpd9

0.3VDD

tpd12

tpd13

tpd2

0.3VDD

0.7VDD

tpd6

0.7VDD

tpd8

0.7VDD
tpd10

0.7VDD

0.7VDD
tpd14

0.7VDD

(VDD = 5.0V, Topr = 25°C, Load capacity of CL and CLD = 30pF, Load capacity of XH1, XSHP, XSHD, XRS, and RG = 10pF)

Symbol

tCK
tpd1
tpd2
tpd3
tpd4
tpd5
tpd6
tpd7
tpd8
tpd9
tpd10
tpd11
tpd12
tpd13

CK cycle
XH1 rising delay, activated by the falling edge of CK
XH1 falling delay, activated by the falling edge of CK
RG falling delay, activated by the rising edge of CK
RG rising delay, activated by the falling edge of CK
XSHP falling delay, activated by the rising edge of CK
XSHP rising delay, activated by the falling edge of CK
XSHD falling delay, activated by the rising edge of CK
XSHD rising delay, activated by the falling edge of CK
XRS falling delay, activated by the falling edge of CK
XRS rising delay, activated by the rising edge of CK
CL falling delay, activated by the rising edge of CK
CL rising delay, activated by the rising edge of CK
CLD falling delay, activated by the rising edge of CK

Definition Typ. Unit

41
28
29
27
33
36
30
36
29
34
28
15
17
30

ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

tpd14

CLD rising delay, activated by the falling edge of CK

– 7 –

33

ns

Waveform Characteristics of XH1 and RG

0.9V

XH1

CXD2408R

DD

0.1VDD

Symbol

trH1
tfH1
trRG
tfRG

RG

XH1 rise time
XH1 fall time
RG rise time
RG fall time

0.9VDD

0.1VDD

trRG

tfH1

tfRG

trH1

(VDD = 5.0V, Topr = 25°C, Load capacity of XH1 = 10pF, Load capacity of RG = 10pF)

Definition Typ. Unit

2
2
2
2

ns
ns
ns
ns

– 8 –

CXD2408R

• In the normal reset mode, the signal output is reset to ODD or EVEN field depending on the input timing of
the vertical reset signal as shown in the figure below.

Field identification

VRI

HDO

VDO

VDO

1

tp1

H

f

1

2

tp2

tp4

2

tp5

259H

tp3

fH

L: ODD H: EVEN

259H

ODD

EVEN

Symbol

tp1
tp2
tp3
tp4
tp5

Range of resetting to ODD
Range of resetting to EVEN
Range of resetting to ODD
Prohibited area
Prohibited area

Definition Specified value Unit

21.9

31.6

9.7
200
200

µs
µs
µs
ns
ns

– 9 –