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PI49FCT805T

PI49FCT2805T

Fast CMOS Clock Driver/Buffer

Features

• Extremely low output skew: 0.5ns

• Monitor output pin

• Clock busing with Hi-Z state control

• TTL input and CMOS output compatible

• Extremely low static power (1mW, typ.)

• Hysteresis on all inputs

• Device models available on request

• Industrial Operation at -40ºC to +85ºC

• Packaging (Pb-free & Green):

– 20-pin 209-mil wide SSOP (H)

– 20-pin 300-mil wide SOIC (S)

– 20-pin 150-mil wide QSOP (Q)

Description

Pericom Semiconductor’s PI49FCT805T and PI49FCT2805T

are non-inverting clock drivers. Each clock driver consists of

two banks of drivers, driving five outputs each from a standard

TTL-compatible CMOS input.

The PI49FCT2805T features a 25-Ohm on-chip resistor for

lower noise.

Block Diagram

Pin Configuration

0–4

MON

Vcc

GND

Vcc

GND

MON

10-0208

PS7007K

08/27/2010

PI49FCT805T

PI49FCT2805T

Fast CMOS Clock Driver/Buffer

Maximum Ratings

(Above which the useful life may be impaired. For user guidelines, not tested.)

Storage Temperature ............................................................... –65°C to +150°C

Ambient Temperature with Power Applied ............................. –40°C to +85°C

Supply Voltage to Ground Potential (Inputs & Vcc Only) ........ –0.5V to +7.0V

Supply Voltage to Ground Potential (Outputs & D/O Only) ..... –0.5V to +7.0V

DC Input Voltage ....................................................................... –0.5V to +7.0V

DC Output Current ................................................................................. 120mA

Power Dissipation ...................................................................................... 0.5W

Note:

Stresses greater than those listed under 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.

DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5.0V ± 5%)

Param-

eters

Voh

Description

Output HIGH Voltage

Test Conditions

(1)

Min.

2.4

Typ(2)

3.3

Max.

Units

Vcc = Min.,

Vin = Vih or

Vil

Vcc = Min.,

Vin = Vih or

Vil

Ioh = –24.0mA

Vol

Output LOW Current

Vih

Vil

Iih

Iil

Iozh

Iozl

Vik

Ios

Input HIGH Voltage

Input LOW Voltage

Input HIGH Current

Input LOW Current

High Impedance

Output Current

Input HIGH Current

Clamp Diode Voltage

Short Circuit Current

Input Hysteresis

Iol = 64mA

Iol = 12mA

(25W)

Guaranteed Logic HIGH Level

Guaranteed Logic LOW Level

Vcc = Max.

Vin = Vcc

Vcc = Max.

Vin = GND

Vcc = Max.

Vout = Vcc

Vout = GND

Vcc = Max., Vin =Vcc (Max.)

Vcc = Min., Iin = –18mA

Vcc = Max.(3), Vout = GND

Vcc = 5 V

0.3

2.0

0.55

0.50

µA

–60

–0.7

–120

200

0.8

–1

–1.2

–225

10-0208

PS7007K

08/27/2010

PI49FCT805T

PI49FCT2805T

Fast CMOS Clock Driver/Buffer

Capacitance

Parameters

OUT

Description

Input Capacitance

Output Capacitance

Test Conditions

= 0V

OUT

= 0V

Typ

Max.

Units

Notes:

1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 5.0V, +25°C ambient and maximum loading.

3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.

4. This parameter is determined by device characterization but is not production tested.

Power Supply Characteristics

Parameters

Icc

DIcc

Iccd

Description

Quiescent Power Sup-

ply Current

Supply Current per

Input @ TTL HIGH

Supply Current per

Input per MHz(4)

Test Conditions

Vcc = Max.

Vcc = Max., Outputs Open,

OEa = OEb = GND, Per

Output Toggling, 50% Duty

Cycle

Vcc = Max., Outputs Open

= 10MHz 50% Duty Cycle

OEA = OEB = GND

Five Outputs Toggling

Vcc = Max., Outputs Open

= 10MHz 50% Duty Cycle

OEA = OEB = GND

Vin = GND

or Vcc

Vin =

3.4V(3)

Vin = Vcc,

Vin = GND

Min

Typ

0.5

0.15

Max.

2.0

0.25

Units

µA

mA/

MHz

Total Power

Supply Current

Vin = Vcc,

Vin = GND

Vin = 3.4V,

Vin = GND

7.7

8.0

4.3

4.8

14.0

15.0

8.4

10.4

Notes:

For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.

Typical values are at Vcc = 5.0V, +25°C ambient.

Per TTL driven input (Vin = 3.4V); all other inputs at Vcc or GND.

This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.

Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested.

Ic =Iquiescent + Iinputs + Idynamic

Ic = Icc + DIcc DhNt + Iccd (fcp/2 + fiNi)

Icc = Quiescent Current

DIcc = Power Supply Current for a TTL High Input (Vin = 3.4V)

Dh = Duty Cycle for TTL Inputs High

Nt = Number of TTL Inputs at Dh

Iccd = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)

fcp = Clock Frequency for Register Devices (Zero for Non-Register Devices)

fi = Input Frequency

Ni = Number of Inputs at fi

All currents are in milliamps and all frequencies are in megahertz.

10-0208

PS7007K

08/27/2010

PI49FCT805T

PI49FCT2805T

Fast CMOS Clock Driver/Buffer

Switching Characteristics over Operating Range

805T/2805T

Parameters Description

Propagation Delay

to OA

to OB

Output Enable Time

to OA

to OB

Test

Conditions

(1)

Com.

Min. Max.

1.5

6.5

805AT

Com.

Min. Max.

1.5

5.8

805BT

Com.

Min. Max.

1.5

5.0

805CT

Com.

Min. Max.

1.5

4.5

Units

PLH

PHL

PZH

PZL

PHZ

PLZ

SKEW(o)(3)

SKEW(p)(3)

1.5

8.0

1.5

8.0

1.5

8.5

1.5

6.2

Output Disable Time

(4)

to OA

Skew twx two outputs of CL = 50pF

the same package

RL = 500W

(same transition)

Skew twx two opposite

transition (t

PHL -

PLH)

of same output

Skew twx two outputs of

the different package at

same temperature (same

transition)

1.5

7.0

1.5

7.0

1.5

6.0

1.5

5.0

0.7

0.5

0.4

1.0

0.7

0.5

SKEW(t)(3)

1.5

1.0

Notes:

1.See test circuit and wave forms.

2.Minimum limits are guaranteed but not tested on Propagation Delays.

3.Skew measured at worse cast temperature (max. temp).

4.This parameter is guaranteed but not production tested.

Tests Circuits For All Outputs(1)

7.0V

500Ω

Pulse

Generator

D.U.T.

50pF

500Ω

OUT

Switch Position

Test

Open Drain

Enable LOW

Disable LOW

All other inputs

Switch

Closed

Open

Definitions:

CL = Load capacitance: includes jig and probe capacitance.

RT = Termination resistance: should be equal to ZOUT of the Pulse

Generator.

10-0208

PS7007K

08/27/2010

PI49FCT805T

PI49FCT2805T

Fast CMOS Clock Driver/Buffer

Switching Waveforms

Propagation Delay

Input

tPHL

1.5V

tPLH

Output

1.5V

Output Skew – tsk(o)

Input

PLHx

SK(o)

PLHy

PHLy

SK(o)

PHLx

1.5V

SK(o)

= | t

PLHy

– t

PLHx

| or | t

PHLy

– t

PHLx

Enable and Disable Times

Enable

PZL

Output

Normally

Low

Output

Normally

High

Switch

Closed

PZH

Switch

Open

1.5V

PLZ

Disable

1.5V

3.5V

0.3V

PHZ

0.3V

Pulse Skew – tsk(p)

Input

PLH

Output

SK(p)

= | t

PHL

– t

PLH

PHL

1.5V

3.5V

1.5V

Package Skew – tsk(t)

Input

PLH1

Package 1

Output

SK(t)

Package 2

Output

PLH2

PHL2

SK(t)

PHL1

1.5V

SK(t)

= | t

PLH2

– t

PLH1

| or | t

PHL2

– t

PHL1

10-0208

PS7007K

08/27/2010

参数对比

与PI49FCT805ATHE相近的元器件有：PI49FCT805BTHEX、PI49FCT2805TQEX、PI49FCT2805TQE、PI49FCT2805ATQE、PI49FCT2805BTSE、PI49FCT805CTHE、PI49FCT805BTSE、PI49FCT805TSE、PI49FCT805ATQE。描述及对比如下：

型号	PI49FCT805ATHE	PI49FCT805BTHEX	PI49FCT2805TQEX	PI49FCT2805TQE	PI49FCT2805ATQE	PI49FCT2805BTSE	PI49FCT805CTHE	PI49FCT805BTSE	PI49FCT805TSE	PI49FCT805ATQE
描述	IC clk buffer 1:5 66mhz 20ssop	时钟缓冲器 non inverting clock driver	时钟缓冲器 non inverting clock driver	IC clk buffer 1:5 66mhz 20qsop	IC clk buffer 1:5 66mhz 20qsop	IC clk buffer 1:5 66mhz 20soic	IC clk buffer 1:5 100mhz 20ssop	IC clk buffer 1:5 80mhz 20soic	IC clk buffer 1:5 50mhz 20soic	IC clk buffer 1:5 66mhz 20qsop
是否Rohs认证	符合	符合	符合	符合	符合	符合	符合	符合	符合	符合
厂商名称	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)	Pericom Semiconductor Corporation (Diodes Incorporated)
零件包装代码	SSOP	SSOP	QSOP	QSOP	QSOP	SOIC	SSOP	SOIC	SOIC	QSOP
包装说明	SSOP, SSOP20,.3	SSOP, SSOP20,.3	SSOP, SSOP20,.25	SSOP, SSOP20,.25	SSOP, SSOP20,.25	SOP, SOP20,.4	SSOP, SSOP20,.3	SOP, SOP20,.4	SOP, SOP20,.4	SSOP, SSOP20,.25
针数	20	20	20	20	20	20	20	20	20	20
Reach Compliance Code	compliant	compli	compli	compli	compli	compli	compliant	compliant	compliant	compliant
ECCN代码	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
系列	FCT	FCT	FCT	FCT	FCT	FCT	FCT	FCT	FCT	FCT
输入调节	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER
JESD-30 代码	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20
长度	7.2 mm	7.2 mm	8.65 mm	8.65 mm	8.65 mm	12.795 mm	7.2 mm	12.795 mm	12.795 mm	8.65 mm
负载电容（CL）	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF
逻辑集成电路类型	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER
最大I（ol）	0.064 A	0.064 A	0.064 A	0.064 A	0.064 A	0.064 A	0.064 A	0.064 A	0.064 A	0.064 A
功能数量	2	2	2	2	2	2	2	2	2	2
端子数量	20	20	20	20	20	20	20	20	20	20
实输出次数	5	5	5	5	5	5	5	5	5	5
最高工作温度	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
最低工作温度	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
输出特性	3-STATE	3-STATE	3-STATE WITH SERIES RESISTOR	3-STATE WITH SERIES RESISTOR	3-STATE WITH SERIES RESISTOR	3-STATE WITH SERIES RESISTOR	3-STATE	3-STATE	3-STATE	3-STATE
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	SSOP	SSOP	SSOP	SSOP	SSOP	SOP	SSOP	SOP	SOP	SSOP
封装等效代码	SSOP20,.3	SSOP20,.3	SSOP20,.25	SSOP20,.25	SSOP20,.25	SOP20,.4	SSOP20,.3	SOP20,.4	SOP20,.4	SSOP20,.25
封装形状	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）	260	260	260	260	NOT SPECIFIED	NOT SPECIFIED	260	250	250	260
电源	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
传播延迟（tpd）	5.8 ns	5 ns	6.5 ns	6.5 ns	5.8 ns	5 ns	4.5 ns	5 ns	6.5 ns	5.8 ns
认证状态	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Same Edge Skew-Max（tskwd）	0.7 ns	0.5 ns	1 ns	1 ns	0.7 ns	0.5 ns	0.5 ns	0.5 ns	1 ns	0.7 ns
座面最大高度	2 mm	2 mm	1.75 mm	1.75 mm	1.75 mm	2.65 mm	2 mm	2.65 mm	2.65 mm	1.75 mm
最大供电电压 (Vsup)	5.25 V	5.25 V	5.25 V	5.25 V	5.25 V	5.25 V	5.25 V	5.25 V	5.25 V	5.25 V
最小供电电压 (Vsup)	4.75 V	4.75 V	4.75 V	4.75 V	4.75 V	4.75 V	4.75 V	4.75 V	4.75 V	4.75 V
标称供电电压 (Vsup)	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
表面贴装	YES	YES	YES	YES	YES	YES	YES	YES	YES	YES
技术	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
温度等级	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
端子形式	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
端子节距	0.65 mm	0.65 mm	0.635 mm	0.635 mm	0.635 mm	1.27 mm	0.65 mm	1.27 mm	1.27 mm	0.635 mm
端子位置	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
处于峰值回流温度下的最长时间	40	40	40	40	NOT SPECIFIED	NOT SPECIFIED	40	40	40	40
宽度	5.3 mm	5.3 mm	3.9116 mm	3.9 mm	3.9 mm	7.5 mm	5.3 mm	7.5 mm	7.5 mm	3.9 mm
JESD-609代码	e3	e3	e3	e3	e3	-	e3	e3	e3	e3
湿度敏感等级	1	1	1	1	1	-	1	1	1	1
端子面层	MATTE TIN (787)	MATTE TIN (787)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	-	MATTE TIN (787)	MATTE TIN (787)	MATTE TIN (787)	Matte Tin (Sn)