74ALVCH16244TTR STMicroelectronics, 74ALVCH16244TTR Datasheet

IC BUS BUFF TRI-ST 16BIT 48TSSOP

74ALVCH16244TTR

Manufacturer Part Number
74ALVCH16244TTR
Description
IC BUS BUFF TRI-ST 16BIT 48TSSOP
Manufacturer
STMicroelectronics
Series
74ALVCHr
Datasheet

Specifications of 74ALVCH16244TTR

Logic Type
Buffer/Line Driver, Non-Inverting
Number Of Elements
4
Number Of Bits Per Element
4
Current - Output High, Low
24mA, 24mA
Voltage - Supply
1.65 V ~ 3.6 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
48-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1046-2

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Part Number:
74ALVCH16244TTR
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DESCRIPTION
The 74ALVCH16244 is a low voltage CMOS 16
BIT BUS BUFFER (NON INVERTED) fabricated
with sub-micron silicon gate and five-layer metal
wiring C
and very high speed 1.65 to 3.6V applications; it
can be interfaced to 3.6V signal environment for
both inputs and outputs.
Any nG output control governs four BUS
BUFFERS. Output Enable input (nG) tied together
gives full 16-bit operation.
When nG is LOW, the outputs are enabled. When
nG is HIGH, the output are in high impedance
state.
Active bus-hold circuitry is provided to hold
unused or floating data inputs at a valid logic level.
This device is designed to be used with 3 state
memory address drivers, etc.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
February 2003
3.6V TOLERANT INPUTS AND OUTPUTS
HIGH SPEED :
t
t
t
POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
SYMMETRICAL OUTPUT IMPEDANCE:
|I
|I
|I
OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16244
LATCH-UP PERFORMANCE EXCEEDS
300mA (JESD 17)
ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
BUS HOLD PROVIDED ON DATA INPUTS
PD
PD
PD
OH
OH
OH
CC
= 3.0 ns (MAX.) at V
= 3.7 ns (MAX.) at V
= 5.1 ns (MAX.) at V
| = I
| = I
| = I
(OPR) = 1.65V to 3.6V
2
MOS technology. It is ideal for low power
LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE)
OL
OL
OL
= 24mA (MIN) at V
= 12mA (MIN) at V
= 4mA (MIN) at V
WITH 3.6V TOLERANT INPUTS AND OUTPUTS
CC
CC
CC
= 3.0 to 3.6V
= 2.3 to 2.7V
= 1.65V
CC
CC
CC
= 1.65V
= 3.0V
= 2.3V
ORDER CODES
PIN CONNECTION
PACKAGE
TSSOP
74ALVCH16244
TUBE
TSSOP
74ALVCH16244TTR
T & R
1/10

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74ALVCH16244TTR Summary of contents

Page 1

... All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. February 2003 = 3.0 to 3.6V = 2.3 to 2.7V = 1.65V = 3. 2.3V ORDER CODES CC = 1.65V CC PACKAGE TSSOP PIN CONNECTION 74ALVCH16244 TSSOP TUBE T & R 74ALVCH16244TTR 1/10 ...

Page 2

INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1 1G Output Enable Input 1Y1 to 1Y4 Data Outputs 8, 9, 11, 12 2Y1 to 2Y4 Data Outputs 13, 14, 16, ...

Page 3

ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage (OFF State Output Voltage (High or Low State) (note Input Diode Current Output ...

Page 4

DC SPECIFICATIONS Symbol Parameter V High Level Input 1.65 to 1.95 IH Voltage V Low Level Input 1.65 to 1.95 IL Voltage V High Level Output OH Voltage V Low Level Output OL Voltage I Input Leakage I Current ...

Page 5

AC ELECTRICAL CHARACTERISTICS Symbol Parameter t t Propagation Delay 1.65 to 1.95 PLH PHL Time t t Output Enable Time 1.65 to 1.95 PZL PZH t t Output Disable Time 1.65 to 1.95 PLZ PHZ 1) Skew is defined as ...

Page 6

TEST CIRCUIT PLH PHL 3.0 to 3.6V) PZL PLZ 2.3 to 2.7V) PZL PLZ PZH PHZ pulse ...

Page 7

WAVEFORM 1 : PROPAGATION DELAYS (f=1MHz; 50% duty cycle) WAVEFORM 2 : OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) 74ALVCH16244 7/10 ...

Page 8

DIM. MIN 0. 0.17 c 0. 0˚ PIN 1 IDENTIFICATION 1 8/10 TSSOP48 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 0.9 0.27 ...

Page 9

Tape & Reel TSSOP48 MECHANICAL DATA mm. DIM. MIN. TYP A C 12 8.7 Bo 13.1 Ko 1.5 Po 3.9 P 11.9 inch MAX. MIN. TYP. 330 13.2 0.504 0.795 2.362 30.4 8.9 0.343 ...

Page 10

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...

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