Datasheet 74ALVCH16244T Datasheet (SGS Thomson Microelectronics)

LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE)

WITH 3.6V TOLERANT INPUTS AND OUTPUTS

■ 3.6V TOLERANT INPUTS AND OUTPUTS

■ HIGH SPEED :

t

= 3.0 ns (MAX.) at VCC=3.0to3.6V

PD

t

= 3.7 ns (MAX.) at VCC=2.3to2.7V

PD

t

= 5.1 ns (MAX.) at VCC=1.65V

PD

■ POWER DOWN PROTECTION ON INPUTS

AND OUTPUTS

■ SYMMETRICAL OUTPUT IMPEDANCE:

|=IOL= 24mA (MIN) at VCC=3.0V

|I

OH

|I

|=IOL= 12mA (MIN) at VCC=2.3V

OH

|I

|=IOL=4mA(MIN)atVCC= 1.65V

OH

■ OPERATING VOLTAGE RAN GE:

V

(OPR) = 1.65V to 3.6V

CC

■ BUS HOLD PROVIDED ON DATA INPUTS

■ 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

74ALVCH16244

TSSOP

ORDER CODES

PACKAGE TUBE T & R

TSSOP 74ALVCH16244TTR

PIN CO NNE CTION

DESCRIPTION

The 74ALVCH16244 is a low voltage CMOS 16
BIT BUS BUFFER (NON INVERTED) fabricated
with sub-micron sil icon gate and five-layer metal
wiring C

2

MOS technology. It is ideal for low power
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
BUFFERS. Output Enable input (nG

output con trol governs four BUS

) tied together
gives full 16-bit operation.
When nG
nG

is LO W, the outputs are enabled. When

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 aga inst static discharge, giving
them 2KV ESD immunity and transient excess
voltage.

1/10February 2003

74ALVCH16244

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

PIN No SYMBOL NAME AND FUNCTION

11G

2, 3, 5, 6 1Y1 to 1Y4 Data Outputs

8, 9, 11, 12 2Y1 to 2Y4 Data Outputs
13, 14, 16, 17 3Y1 to 3Y4 Data Outputs
19, 20, 22, 23 4Y1 to 4Y4 Data Outputs

24 4G

25 3G
30, 29, 27, 26 4A1 to 4A4 Data Outputs
36, 35, 33, 32 3A1 to 3A4 Data Outputs
41, 40, 38, 37 2A1 to 2A4 Data Outputs
47, 46, 44, 43 1A1 to 1A4 Data Outputs

48 2G
4, 10, 15, 21,

28, 34, 39, 45

7, 18, 31, 42

GND Ground (0V)

V

CC

Output Enable Input

Output Enable Input
Output Enable Input

Output Enable Input

Positive Supply Voltage

TRUTH TABLE

INPUTS OUTPUT

G

LLL
LHH

HXZ

X : Don‘t Care
Z : High Impedance

An Yn

IEC LOGIC SYMBOLS

2/10

74ALVCH16244

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

V
V
V

I

I

OK

I

or I

I

CC

P

T

T

Absolute Maximum Ratings are those values beyond which damage tothe device may occur. Functional operation under these conditions is
not implied

1) I

absolute maximum rating must be observed

O

2) V

<GND,VO>V

O

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

V
V
V

I

OH,IOL

I

OH,IOL

I

OH,IOL

T

dt/dv Input Rise and Fall Time (note 1) 0 to 10 ns/V

1) VINfrom0.8V to 2Vat VCC=3.0V

Supply Voltage

CC

DC Input Voltage

I

DC Output Voltage (OFF State)

O

DC Output Voltage (High or Low State) (note 1) -0.5 to VCC+ 0.5

O

DC Input Diode Current

IK

DC Output Diode Current (note 2)
DC Output Current

O

DC VCCor Ground Current per Supply Pin

GND

Power Dissipation

D

Storage Temperature

stg

Lead Temperature (10 sec)

L

CC

Supply Voltage

CC

Input Voltage

I

Output Voltage (OFF State)

O

Output Voltage (High or Low State) 0 to V

O

High or Low Level Output Current (VCC= 3.0 to 3.6V)
High or Low Level Output Current (VCC= 2.3 to 2.7V)
High or Low Level Output Current (VCC= 1.65V)
Operating Temperature

op

-0.5 to +4.6 V

-0.5 to +4.6 V

-0.5 to +4.6 V
V

-50 mA

-50 mA

± 50 mA

± 100 mA

400 mW

-65 to +150 °C

300 °C

1.65 to 3.6 V

-0.3 to 3.6 V
0 to 3.6 V

CC

V

± 24 mA
± 12 mA

± 4mA

-55 to 125 °C

3/10

74ALVCH16244

DC SPECIFICATIONS

Test Condition Value

Symbol Parameter

V

V

V

I

IHOLD

High Level Input

IH

Voltage

V

Low Level Input

IL

Voltage

High Level Output

OH

Voltage

Low Level Output

OL

Voltage

Input Leakage

I

I

Current
Input Hold Current

Power Off Leakage

I

off

Current

I

High Impedance

OZ

Output Leakage
Current

I

∆I

Quiescent Supply

CC

Current

CCICC

incr. per Input 3.0 to 3.6 VIH=VCC- 0.6V 500 750 µA

V

CC

(V)

-40 to 85 °C -55 to 125 °C

Min. Max. Min. Max.

1.65 to 1.95 0.65 Vcc 0.65 Vcc

2.3 to 2.7 1.7 1.7

2.7 to 3.6 2.0 2.0

1.65 to 1.95 0.35 Vcc 0.35 Vcc

2.3 to 2.7 0.7 0.7

2.7 to 3.6 0.8 0.8

1.65 to 3.6

1.65

2.3

2.3

2.7

3.0

3.0

1.65 to 3.6

1.65

2.3

2.3

2.7

3.0

3.6

1.65

1.65

2.3

2.3

3.0

3.0

3.6
0V

3.6 V

3.6 VI=VCCor GND

IO=-100 µAVCC-0.2 VCC-0.2

I

=-4 mA

O

=-6 mA

I

O

=-12 mA

I

O

=-12 mA

I

O

=-12 mA

I

O

=-24 mA

I

O

=100 µA

I

O

=4 mA

I

O

=6 mA

I

O

=12 mA

I

O

=12 mA

I

O

=24 mA

I

O

= 0 or 3.6V

V

I

VI=0.58 V

=1.07 V

V

I

=0.7 V

V

I

=1.7 V

V

I

=0.8 V

V

I

=2 V

V

I

= 0 to 3.6V

V

I

or VO= 3.6V 10 20 µA

I

or V

I=VIH

VO= 0 to V

IL

CC

1.2 1.2

2.0 2.0

1.7 1.7

2.2 2.2

2.4 2.4

2.0 2.0

0.2 0.2 V

0.45 0.45

0.4 0.4

0.7 0.7

0.4 0.4

0.55 0.55
± 5 ± 5 µA

+25 +25

-25 -25

+45 +45

-45 -45

+75 +75

-75 -75

± 500 ± 500

± 5 ± 10 µA

20 40 µA

I

=0

O

Unit

V

V

µA

4/10

AC ELECTRICAL C HARACTERISTICS

Test Condition Value

74ALVCH16244

Symbol Parameter

t

PLHtPHL

Propagation Delay
Time

V

CC

(V)

C

(pF)

R

L

(Ω)

= t

t

L

s

(ns)

1.65 to 1.95 30 1000 2.0 1 5.1 1 5.1

2.3 to 2.7 30 500 2.0 1 3.7 1 3.7

-40 to 85 °C -55 to 125 °C

r

Min. Max. Min. Max.

Unit

2.7 50 500 2.5 1 3.6 1 3.6

3.0 to 3.6 50 500 2.5 1 3.0 1 3.0

t

PZLtPZH

Output Enable Time 1.65 to 1.95 30 1000 2.0 1 7.1 1 7.1

2.3 to 2.7 30 500 2.0 1 5.7 1 5.7

2.7 50 500 2.5 1 5.4 1 5.4

ns

3.0 to 3.6 50 500 2.5 1 4.4 1 4.4

t

PLZtPHZ

Output Disable Time 1.65 to 1.95 30 1000 2.0 1 6.5 1 6.5

2.3 to 2.7 30 500 2.0 1 5.2 1 5.2

2.7 50 500 2.5 1 4.6 1 4.6

3.0 to 3.6 50 500 2.5 1 4.1 1 4.1

1) Skew isdefined astheabsolute value ofthedifference betweentheactual propagation delay for any twooutputs ofthesamedevice switch­ing in the same direction, either HIGH or LOW (t

2) Parameter guaranteed by design

OSLH

=|t

PLHm-tPLHn

|, t

OSHL

=|t

PHLm-tPHLn

|)

CAPACITIVE CHARACTERISTICS

Test Condition Value

=25°C

Symbol Parameter

V

CC

(V)

C

C

C

OUT

C

C

1) CPDis defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
circuit)

Input Capacitance Control

IN

Inputs
Input Capacitance Data Inputs

IN

Output Capacitance
Power Dissipation Capacitance

PD

Output enabled (note 1)
Power Dissipation Capacitance

PD

Output disabled (note 1)

3.3

3.3

3.3

V

IN=VCC

VIN=VCCor GND

VIN= 0 to V

or GND

CC

3.3 fIN= 10MHz
C

V

IN

=50pF

L

= 0 or V

CC

2.5 16

3.3 5

2.5 4

T

A

Min. Typ. Max.

3pF
6pF

7pF

19

CC(opr)=CPDxVCCxfIN+ICC

Unit

pF

/16 (per

5/10

74ALVCH16244

TEST CIRCUIT

t

PLH,tPHL

t

PZL,tPLZ(VCC

t

PZL,tPLZ(VCC

t

PZH,tPHZ

RT=Z

OUT

= 3.0 to 3.6V)
= 2.3 to 2.7V) 2V

of pulse generator (typically 50Ω)

TEST SWITCH

Open

6V

CC

GND

TEST CIRCUIT AND WAVE FORM SYMBOL VALUE

Symbol

V

IH

V

M

V

X

V

Y

C

L

R

L=R1

t

r=tr

3.0 to 3.6V 2.7V 2.3 to 2.7V 1.65 to 1.95V

2.7V 2.7V V

1.5V 1.5V VCC/2 VCC/2
VOL+0.3V VOL+0.3V VOL+0.15V VOL+0.15V
VOH-0.3V VOH-0.3V VOH-0.15V VOH-0.15V

50pF 50pF 30pF 30pF

500Ω 500Ω 500Ω 1000Ω

<2.5ns <2.5ns <2.0ns <2.0ns

V

CC

CC

V

CC

6/10

WAVEFORM 1 : PROPAGATION DEL AYS (f=1MHz; 50% duty cycle)

WAVEFORM 2 : OUTPUT ENABL E AND DISABLE TIME (f=1MHz; 50% duty cycle)

74ALVCH16244

7/10

74ALVCH16244

TSSOP48 MECHANICAL DATA

mm. inch

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 1.2 0.047

A1 0.05 0.15 0.002 0.006

A2 0.9 0.035

b 0.17 0.27 0.0067 0.011

c 0.09 0.20 0.0035 0.0079

D 12.4 12.6 0.488 0.496

E 8.1 BSC 0.318 BSC

E1 6. 0 6.2 0.236 0.244

e 0 .5 BSC 0.0197 BSC

K0˚ 8˚0˚ 8˚

L 0.50 0.75 0. 020 0.030

A2

A

A1

b

e

D

K

c

E1

L

E

PIN 1 IDENTIFICATION

8/10

1

7065588C

74ALVCH16244

Tape & Reel TSSOP48 MECHANICAL DATA

mm. inch

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 330 12.992
C 12.8 13.2 0.504 0.519
D 20.2 0.795
N 60 2.362

T 30.4 1.197
Ao 8.7 8.9 0.343 0.350
Bo 13.1 13.3 0.516 0.524
Ko 1.5 1.7 0.059 0.067
Po 3.9 4.1 0.153 0.161

P 11.9 12.1 0.468 0.476

9/10

74ALVCH16244

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consequences of use o f suc h inf ormat ion n or f or an y infr ingeme nt of paten ts or oth er ri gh ts of third part ies whic h may resul t f rom
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mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information
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