74LVCH245AQ datasheet, PDF - EEWORLD Datasheet

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74LVCH245AQ: DescriptionQSOP-20, Tube; Categorylogic logic; File Size71KB，6 Pages; ManufacturerIDT (Integrated Device Technology)

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74LVCH245AQ Overview

QSOP-20, Tube

74LVCH245AQ Parametric

Parameter Name	Attribute value
Brand Name	Integrated Device Technology
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Objectid	1193704764
Parts packaging code	QSOP
package instruction	SSOP, SSOP20,.25
Contacts	20
Manufacturer packaging code	PC20
Reach Compliance Code	not_compliant
Other features	WITH DIRECTION CONTROL
Control type	COMMON CONTROL
Counting direction	BIDIRECTIONAL
series	LVC/LCX/Z
JESD-30 code	R-PDSO-G20
JESD-609 code	e0
length	8.6614 mm
MaximumI(ol)	0.024 A
Humidity sensitivity level	1
Number of digits	8
Number of functions	1
Number of ports	2
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output characteristics	3-STATE
Output polarity	TRUE
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Encapsulate equivalent code	SSOP20,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
power supply	3.3 V
Prop。Delay @ Nom-Sup	6.3 ns
propagation delay (tpd)	7.3 ns
Certification status	Not Qualified
Maximum seat height	1.7272 mm
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING
Terminal pitch	0.635 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
translate	N/A
width	3.9116 mm

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IDT74LVCH245A

3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

INDUSTRIAL TEMPERATURE RANGE

3.3V CMOS OCTAL BUS

TRANSCEIVER WITH 3-STATE

OUTPUTS, 5 VOLT TOLERANT I/O

AND BUS-HOLD

FEATURES:

• 0.5 MICRON CMOS Technology

• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using

machine model (C = 200pF, R = 0)

• V

= 3.3V ± 0.3V, Normal Range

• V

= 2.7V to 3.6V, Extended Range

• CMOS power levels (0.4μ W typ. static)

• Rail-to-rail output swing for increased noise margin

• All inputs, outputs, and I/O are 5V tolerant

• Supports hot insertion

• Available in SSOP, QSOP, and TSSOP packages

IDT74LVCH245A

DESCRIPTION:

The LVCH245A octal bus transceiver is built using advanced dual metal

CMOS technology. The device is designed for asynchronous communi-

cation between data buses. Data is transmitted from the A bus to the B bus

or from the B bus to the A bus, depending upon the logic level at the direction-

control (DIR) input. The output-enable (OE) input can be used to disable

the device so the buses are effectively isolated.

The LVCH245A has been designed with a ±24mA output driver. This

driver is capable of driving a moderate to heavy load while maintaining

speed performance.

The LVCH245A has “bus-hold” which retains the inputs’ last state

whenever the input goes to a high-impedance. This prevents floating

inputs and eliminates the need for pull-up/down resistors.

Inputs can be driven from either 3.3V or 5V devices. This feature allows

the use of this device as a translator in a mixed 3.3V/5V system environ-

ment.

DRIVE FEATURES:

• High Output Drivers: ±24mA

• Reduced system switching noise

APPLICATIONS:

• 5V and 3.3V mixed voltage systems

• Data communication and telecommunication systems

FUNCTIONAL BLOCK DIAGRAM

DIR

TO SEVEN OTHER CHANNELS

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

INDUSTRIAL TEMPERATURE RANGE

OCTOBER 1999

DSC-4611/3

74LVCH245AQ Related Products

	74LVCH245AQ	IDT74LVCH245AP
Description	QSOP-20, Tube	Bus Transceiver, LVC/LCX/Z Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, TSSOP-20
Parts packaging code	QSOP	TSSOP
package instruction	SSOP, SSOP20,.25	TSSOP,
Contacts	20	20
Reach Compliance Code	not_compliant	unknown
series	LVC/LCX/Z	LVC/LCX/Z
JESD-30 code	R-PDSO-G20	R-PDSO-G20
JESD-609 code	e0	e0
length	8.6614 mm	6.5 mm
Number of digits	8	8
Number of functions	1	1
Number of ports	2	2
Number of terminals	20	20
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
Output characteristics	3-STATE	3-STATE
Output polarity	TRUE	TRUE
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SSOP	TSSOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
propagation delay (tpd)	7.3 ns	7.3 ns
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.7272 mm	1.2 mm
Maximum supply voltage (Vsup)	3.6 V	3.6 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V
Nominal supply voltage (Vsup)	3.3 V	3.3 V
surface mount	YES	YES
technology	CMOS	CMOS
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)	TIN LEAD
Terminal form	GULL WING	GULL WING
Terminal pitch	0.635 mm	0.65 mm
Terminal location	DUAL	DUAL
width	3.9116 mm	4.4 mm

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