QS532805A PDF даташит

Спецификация QS532805A изготовлена «Integrated Device Technology» и имеет функцию, называемую «GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER».

Детали детали

Номер произв	QS532805A
Описание	GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER
Производители	Integrated Device Technology
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QS532805/A/B

GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER

GUARANTEED LOW SKEW

3.3V CMOS CLOCK

DRIVER/BUFFER

INDUSTRIAL TEMPERATURE RANGE

QS532805/A/B

FEATURES:

− JEDEC compatible LVTTL level inputs and outputs

− 10 output, low skew clock signal buffer

− Monitor output

− Clock inputs are 5V tolerant

− Pinout and function compatible with QS5805T

− 25Ω on-chip resistors for low noise

− Input hysteresis for better noise margin

− Guaranteed low skew:

• 0.7ns output skew

• 0.7ns pulse skew

• 1ns part-to-part skew

− Std., A, and B speed grades (B speed in QSOP package only)

− Available in QSOP and SOIC packages

DESCRIPTION

The QS532805 clock buffer/driver circuits can be used for clock buffering

schemes where low skew is a key parameter. This device offers two banks

of 5 non-inverting outputs. The QS532805 incorporates 25Ω series

termination resistors. This clock buffer product is designed for use in high

performance workstations, embedded and personal computing systems

using 3V to 3.6V supply voltages. Several can be used in parallel or

scattered throughout a system for guaranteed low skew, system-wide clock

distribution networks. The QS532805 can accept 5V input and control

signals.

The QS532805 is characterized for operation at -40°C to +85°C.

FUNCTIONAL BLOCK DIAGRAM

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OEA

INA

INB

OEB

OA5 OA1

MON

OB5 OB1

NOTE: QS532805 has a 25Ω series termination resistor on each clock output, including monitor.

INDUSTRIAL TEMPERATURE RANGE

c 1999 Integrated Device Technology, Inc.

JULY 2000

DSC-5785/-

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QS532805/A/B

GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER

PIN CONFIGURATION

VCCA

OA1

OA2

OA3

GNDA

OA4

OA5

GNDQ

OEA

IN A

1 20

2 19

3 18

4 17

5 SO20-2 16

6 SO20-8 15

7 14

8 13

9 12

10 11

VCCB

OB1

OB2

OB3

GNDB

OB4

OB5

MON

OEB

IN B

QSOP/ SOIC

TOP VIEW

INDUSTRIALTEMPERATURERANGE

ABSOLUTE MAXIMUM RATINGS (1)

Symbol

VTERM(2)

VTERM(3)

VAC

IOUT

Description

Max. Unit

Supply Voltage to Ground

– 0.5 to +7 V

DC Output Voltage VOUT

– 0.5 to Vcc+0.5 V

DC Input Voltage VIN

– 0.5 to +7 V

AC Input Voltage (pulse width ≤20ns)

-3 V

DC Output Current VIN < 0

-20 mA

DC Output Current Max. Sink Current/Pin

120

TSTG Storage Temperature

TJ Junction Temperature

– 65 to +150 °C

150 °C

NOTES:

1. Stresses greater than those listed under ABSOLUTE MAXIMUM

RATINGS may cause permanent damage to the device. This is a

stress rating only and functional operation of the device at these or

any other conditions above those indicated in the operational sections

of this specification is not implied. Exposure to absolute maximum

rating conditions for extended periods may affect reliability.

2. Vcc Terminals.

3. All terminals except Vcc.

CAPACITANCE

(TA = +25OC, f = 1.0MHz, VIN = 0V, VOUT = 0V)

Pins Typ. Max. (1)

CIN 4 6

COUT

8 10

NOTE:

1. This parameter is guaranteed but not production tested.

Unit

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RECOMMENDED OPERATING

CONDITIONS

Symbol

VCC

VIN

VOUT

Description

Power Supply Voltage

Input Voltage

Voltage Applied to Outputs

Ambient Operating Temperature

Min.

– 40

Max Unit

3.6 V

5.5 V

VCC V

85 °C

PIN DESCRIPTION

Pin Names

OEA, OEB

I/O Description

I Output Enable

INA, INB

OAn, OBn

MON

I Clock Inputs

O Clock Outputs

O Monitor Outputs (does not 3-state)

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QS532805/A/B

GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER

INDUSTRIAL TEMPERATURE RANGE

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified:

Industrial: TA = -40°C to +85°C, VCC = 3.3V ± 0.3V

Symbol

VIH

VIL

VIC

VOH

Parameter

Input HIGH Voltage

Input LOW Voltage

Clamp Diode Voltage (3)

Output HIGH Voltage

VOL Output LOW Voltage

IIN

IOZ

IOFF

IODH

IODL

IOS

ROUT

Input Leakage Current

Output Leakage Current

Input Power Off Leakage

Output HIGH Current (2)

Output LOW Current (2)

Short Circuit Current (2,3)

Output Resistance (4)

Test Conditions

Guaranteed Logic HIGH for Inputs

Guaranteed Logic LOW for Inputs

Vcc = Min., IIN = -18mA

Vcc = Min., IOH = -100µA

Vcc = Min., IOH = -8mA

Vcc = Min., IOL = 100µA

Vcc = Min., IOL = 6mA

Vcc = Min., IOL = 8mA

Vcc = Max., VIN = Vcc or GND

Vcc = Max., VOUT = Vcc or GND

Vcc = 0V, VIN = Vcc or GND

Vcc = 3.3V, VIN = VIH or VIL, VO = 1.5V

Vcc = Max., VOUT = GND

Vcc = Min

Min. Typ.(1) Max. Unit

2 — 5.5 V

–0.5 — 0.8 V

— –0.7 –1.2 V

Vcc – 0.2 —

—V

2.4 — — V

— — 0.2 V

— — 0.4 V

— — 0.5 V

— — ±1 µA

–30 –100 –200 mA

30 100 200 mA

– 60 —

— mA

— 28 — Ω

NOTES:

1. Typical values are at VCC = 3.3V, TA = 25°C.

2. Not more than one output should be used to test this high power condition. Duration is less than one second.

3. Guaranteed by design but not tested.

4. Output resistance represents the total output impedence of the logic device and includes added series termination resistance.

POWER SUPPLY CHARACTERISTICS

Symbol

Parameter

ICC Quiescent Power Supply Current

Test Conditions (1)

VCC = Max., VIN = GND or Vcc

Typ. (3)

0.01

∆ICC Supply Current per Input HIGH

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ICCD Dynamic Power Supply Current per Output (2)

IC Total Power Supply Current Examples (2,4)

VCC = Max., VIN = Vcc – 0.6V, f = 0MHz

VCC = Max., OEA = OEB = GND

Outputs Toggling at 50% duty cycle

VCC = Max.,

OEA = OEB = GND

VIN = GND or Vcc

50% duty cycle, fI = 10MHz VIN = GND or 3V

five outputs toggling

VCC = Max.,

OEA = OEB = GND

VIN = GND or Vcc

50% duty cycle, fI = 2.5MHz VIN = GND or 3V

All outputs toggling

0.1

3.3

1.8

NOTES:

1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.

2. Guaranteed by design but not tested. CL = 0pF.

3. Typical values are for reference only. Conditions are VCC = 3.3V, TA = 25°C.

4. IC = ICC + (∆ICC)(DH)(NI) + ICCD (fO)(NO)

where:

DH = Input Duty Cycle

NI = Number of TTL HIGH inputs at DH

fO = Output Frequency

NO = Number of outputs at fO

Max. Unit

100 µA

30 µA

100 µA/MHz

5.2 mA

2.9 mA

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Номер в каталоге	Описание	Производители
QS532805	GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER	Integrated Device Technology
QS532805A	GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER	Integrated Device Technology
QS532805B	GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER	Integrated Device Technology

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