74ALVCH244PY datasheet, PDF - EEWORLD Datasheet

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74ALVCH244PY: DescriptionSSOP-20, Tube; Categorylogic logic; File Size90KB，6 Pages; ManufacturerIDT (Integrated Device Technology)

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74ALVCH244PY Overview

SSOP-20, Tube

74ALVCH244PY Parametric

Parameter Name	Attribute value
Brand Name	Integrated Device Technology
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Parts packaging code	SSOP
package instruction	SSOP, SSOP20,.3
Contacts	20
Manufacturer packaging code	PY20
Reach Compliance Code	not_compliant
Control type	ENABLE LOW
series	ALVC/VCX/A
JESD-30 code	R-PDSO-G20
JESD-609 code	e0
length	7.2 mm
Logic integrated circuit type	BUS DRIVER
MaximumI(ol)	0.024 A
Humidity sensitivity level	1
Number of digits	4
Number of functions	2
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,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
power supply	3.3 V
Prop。Delay @ Nom-Sup	2.8 ns
propagation delay (tpd)	3.1 ns
Certification status	Not Qualified
Maximum seat height	2 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	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5.3 mm

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IDT74ALVCH244

3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

INDUSTRIAL TEMPERATURE RANGE

3.3V CMOS

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

AND BUS-HOLD

FEATURES:

–

0.5 MICRON CMOS Technology

Typical t

(o) (Output Skew) < 250ps

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

> 200V using machine model (C = 200pF, R = 0)

= 3.3V ±0.3V, Normal Range

= 2.7V to 3.6V, Extended Range

= 2.5V ±0.2V

CMOS power levels (0.4µ W typ. static)

Rail-to-Rail output swing for increased noise margin

Available in SOIC, SSOP, QSOP, and TSSOP packages

IDT74ALVCH244

DESCRIPTION:

The ALVCH244 octal buffer/driver is built using advanced dual metal

CMOS technology. The ALVCH244 is organized as two 4-bit line drivers

with seperate output-enable (OE) inputs. When

is low, the device passes

data from the A inputs to the Y outputs. When

is high, the outputs are in

the high-impedance state.

To ensure the high-impedance state during power up or power down,

should be tied to V

through a pullup resistor; the minimum value of

the resistor is determined by the current-sinking capability of the driver.

The ALVCH244 has been designed with a ±24mA output driver. This

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

speed performance.

The ALVCH244 has a “bus-hold” which retains the inputs’ last state

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

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

Drive Features for ALVCH244:

– High Output Drivers: ±24mA

– Suitable for heavy loads

APPLICATIONS:

• 3.3V High Speed Systems

• 3.3V and lower voltage computing systems

FUNCTIONAL BLOCK DIAGRAM

EXTENDED COMMERCIAL TEMPERATURE RANGE

1999 Integrated Device Technology, Inc.

MARCH 1999

DSC-4472/-

74ALVCH244PY Related Products

	74ALVCH244PY	74ALVCH244PG	74ALVCH244Q	74ALVCH244SO
Description	SSOP-20, Tube	TSSOP-20, Tube	QSOP-20, Tube	SOIC-20, Tube
Brand Name	Integrated Device Technology	Integrated Device Technology	Integrated Device Technology	Integrated Device Technology
Is it lead-free?	Contains lead	Contains lead	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible
Parts packaging code	SSOP	TSSOP	QSOP	SOIC
package instruction	SSOP, SSOP20,.3	TSSOP, TSSOP20,.25	SSOP, SSOP20,.25	SOP, SOP20,.4
Contacts	20	20	20	20
Manufacturer packaging code	PY20	PG20	PC20	PS20
Reach Compliance Code	not_compliant	not_compliant	not_compliant	not_compliant
Control type	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW
series	ALVC/VCX/A	ALVC/VCX/A	ALVC/VCX/A	ALVC/VCX/A
JESD-30 code	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20
JESD-609 code	e0	e0	e0	e0
length	7.2 mm	6.5 mm	8.6868 mm	12.8 mm
Logic integrated circuit type	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER
MaximumI(ol)	0.024 A	0.024 A	0.024 A	0.024 A
Humidity sensitivity level	1	1	1	1
Number of digits	4	4	4	4
Number of functions	2	2	2	2
Number of ports	2	2	2	2
Number of terminals	20	20	20	20
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C
Output characteristics	3-STATE	3-STATE	3-STATE	3-STATE
Output polarity	TRUE	TRUE	TRUE	TRUE
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SSOP	TSSOP	SSOP	SOP
Encapsulate equivalent code	SSOP20,.3	TSSOP20,.25	SSOP20,.25	SOP20,.4
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	240	240	240	225
power supply	3.3 V	3.3 V	3.3 V	3.3 V
Prop。Delay @ Nom-Sup	2.8 ns	2.8 ns	2.8 ns	2.8 ns
propagation delay (tpd)	3.1 ns	3.1 ns	3.1 ns	3.1 ns
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	2 mm	1.2 mm	1.7272 mm	2.65 mm
Maximum supply voltage (Vsup)	3.6 V	3.6 V	3.6 V	3.6 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage (Vsup)	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.65 mm	0.65 mm	0.635 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	5.3 mm	4.4 mm	3.937 mm	7.5 mm

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