SG-645PCW datasheet(1/3 Pages) SII

Part #	SG-645PCW

Description	CRYSTAL OSCILLATOR (SPXO)

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Manufacturer	SII [Seiko Instruments Inc]

Direct Link	http://www.sii.co.jp

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Actual size

Crystal oscillator

Specifications (characteristics)

Item

Symbol

Specifications

Conditions / Remarks

SG-636 PTF

SG-636 PCE

SG-636 SCE

SG-636 PDE

Output frequency range

f0

2.21675 MHz

to 41.000 MHz

2.21675 MHz

to 40.000 MHz

2.21675 MHz

to 40.000 MHz

Please contact us about available frequencies.

Supply voltage

VCC

5.0 V

0.5 V

3.3 V

0.3 V

2.5 V

0.25 V

Storage temperature

T_stg

-55

C to +100 C

Storage as single product.

Operating temperature

T_use

-20

C to +70 C

Frequency tolerance

f_tol

C:

100 × 10-6

-20

C to +70 C

Current consumption

ICC

17 mA Max.

9 mA Max.

5 mA Max.

No load condition

Disable current

I_dis

10 mA Max.

5 mA Max.

3 mA Max.

OE=GND

Stand-by current

I_std

-

2

A Max.

-

ST =GND(SCE)

Symmetry

SYM

40 % to 60 %

45 % to 55 %

CMOS load:50 % VCC level

45 % to 55 %

-

TTL load: 1.4 V level

Output voltage

VOH

VCC-0.4 V Min.

IOH=-8 mA(PTF) / -4 mA(SCE,PCE) /

-3.2 mA(PDE)

VOL

0.4 V Max.

IOL=16 mA(PTF) / 4 mA(SCE,PCE) /

3.2 mA(PDE)

Output load condition

(TTL)

L_TTL

10 TTL Max.

-

L_CMOS

 15 pF

Output load condition

(CMOS)

L_CMOS

50 pF Max.

30 pF Max.

15 pF Max.

Input voltage

VIH

2.0 V Min.

80 % VCC Min.

OE Terminal or ST Terminal (SCE)

VIL

0.8 V Max.

20 % VCC Max.

Rise time / Fall time

tr / tf

7 ns Max.

5 ns Max.

CMOS load:20 % VCC to 80 % VCC level

5 ns Max.

-

TTL load:0.4 V to 2.4 V level

Start-up time

t_str

4 ms Max.

Time at minimum supply voltage to be 0 s

Frequency aging

f_aging

5  10-6 / year Max.

+25

C, VCC=5.0 V/3.3 V/2.5 V, First year

Specifications (characteristics)

Item

Symbol

Specifications

Conditions / Remarks

SG-636 PTG

SG-636 PHG

SG-636 PCG

SG-636 SCG

Output frequency range

f0

2.21675 MHz to 33.000 MHz

*1

Please contact us about available frequencies.

Supply voltage

VCC

4.5 V to 5.5 V

2.7 V to 3.6 V

Storage temperature

T_stg

-55

C to +100 C

Storage as single product.

Operating temperature

T_use

-20

C to +70 C

Frequency tolerance

f_tol

B:

50  10-6

C:

100  10-6

-20

C to +70 C

Current consumption

ICC

25 mA Max.

12 mA Max.

No load condition

Disable curren

I_dis

20 mA Max.

10 mA Max.

OE=GND (PTG,PHG,PCG)

Stand-by current

I_std

-

50

A Max.

ST =GND (SCG)

Symmetry

SYM

-

45 % to 55 %

50 % VCC level, L_CMOS=25 pF

40 % to 60 %

-

1.4 V level, L_CMOS=25 pF

Output voltage

VOH

2.4 V Min.

-

VCC-0.4 V Min.

IOH=-8 mA

-

VCC-0.4 V Min.

-

IOH=-16 mA

VOL

-

0.4 V Max.

IOL=8 mA

0.4 V Max.

-

IOL=16 mA

Output load condition

L_CMOS

25 pF Max.

Input voltage

VIH

2.0 V Min.

70 % VCC Min.

OE Terminal or ST Terminal

VIL

0.8 V Max.

20 % VCC Max.

Rise time / Fall time

tr / tf

-

3.4 ns Max.

4 ns Max.

20 % VCC to 80 % VCC level, L_CMOS

 25 pF

2.4 ns Max.

-

TTL load:0.4 V to 2.4 V level, L_CMOS

 25 pF

Start-up time

t_str

12 ms Max.

t=0 at 90 % VCC

Frequency aging

f_aging

5  10-6 / year Max.

+25

C, VCC=5.0 V/ 3.3 V, First year

*1

4.1250 MHz < f0 < 4.4336 MHz, 8.2500 MHz < f0 < 8.8672 MHz, 16.500 MHz < f0 < 17.7344 MHz : Unavailable

CRYSTAL OSCILLATOR (SPXO)

OUTPUT : CMOS, TTL

SG - 645 / SG - 636 series

Frequency range

:

2.21675 MHz to 135 MHz

Supply voltage

:

2.5 V Typ. / 3.3 V Typ.

/ 5.0 V Typ.

Function

:

Output enable(OE) or Standby( ST )

External dimensions : 7.1 × 5.1 × 1.5 mm (t: Max.)···SG-645

10.5 × 5.8 × 2.7 mm (t: Max.)···SG-636

SG-645 series

SG-636 series

Product Number (please contact us)

SG-645

: Q33645xx2xxxx00

SG-636

: Q33636xx2xxxx00

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