74VCX162244 Datasheet PDF - ST Microelectronics

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74VCX162244
ST Microelectronics

Part Number 74VCX162244
Description LOW VOLTAGE CMOS 16-BIT BUS BUFFER
Page 11 Pages


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74VCX162244
LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE)
WITH 3.6V TOLERANT INPUTS AND OUTPUTS
s 3.6V TOLERANT INPUTS AND OUTPUTS
s HIGH SPEED :
tPD = 3.4 ns (MAX.) at VCC = 3.0 to 3.6V
tPD = 3.8 ns (MAX.) at VCC = 2.3 to 2.7V
tPD = 5.7 ns (MAX.) at VCC = 1.8V
s POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 12mA (MIN) at VCC = 3.0V
|IOH| = IOL = 8mA (MIN) at VCC = 2.3V
|IOH| = IOL = 4mA (MIN) at VCC = 1.8V
s 26SERIE RESISTORS IN OUTPUTS
OPERATING VOLTAGE RANGE:
VCC(OPR) = 1.8V to 3.6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 162244
s LATCH-UP PERFORMANCE EXCEEDS
300mA (JESD 17)
s ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74VCX162244 is a low voltage CMOS 16 BIT
BUS BUFFER (NON INVERTED) fabricated with
sub-micron silicon gate and five-layer metal wiring
C2MOS technology. It is ideal for low power and
very high speed 1.8 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 on. When nG is
HIGH, the output are in high impedance state.
This device is designed to be used with 3 state
memory address drivers, etc.
The device circuits is including 26series
resistance in the outputs. These resistors permits
to reduce line noise in high speed applications.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
TSSOP
ORDER CODES
PACKAGE
TSSOP
TUBE
PIN CONNECTION
T&R
74VCX162244TTR
February 2003
1/11



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74VCX162244
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
1
2, 3, 5, 6
8, 9, 11, 12
13, 14, 16, 17
19, 20, 22, 23
24
25
30, 29, 27, 26
36, 35, 33, 32
41, 40, 38, 37
47, 46, 44, 43
48
4, 10, 15, 21,
28, 34, 39, 45
7, 18, 31, 42
1G
1Y1 to 1Y4
2Y1 to 2Y4
3Y1 to 3Y4
4Y1 to 4Y4
4G
3G
4A1 to 4A4
3A1 to 3A4
2A1 to 2A4
1A1 to 1A4
2G
GND
VCC
Output Enable Input
Data Outputs
Data Outputs
Data Outputs
Data Outputs
Output Enable Input
Output Enable Input
Data Outputs
Data Outputs
Data Outputs
Data Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
INPUTS
G
L
L
H
X : Don‘t Care
Z : High Impedance
An
L
H
X
OUTPUT
Yn
L
H
Z
IEC LOGIC SYMBOLS
2/11



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74VCX162244
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +4.6
V
VI DC Input Voltage
-0.5 to +4.6
V
VO DC Output Voltage (OFF State)
-0.5 to +4.6
V
VO DC Output Voltage (High or Low State) (note 1)
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
- 50 mA
IOK DC Output Diode Current (note 2)
- 50 mA
IO DC Output Current
± 50
mA
ICC or IGND DC VCC or Ground Current per Supply Pin
± 100
mA
PD Power Dissipation
400 mW
Tstg Storage Temperature
-65 to +150
°C
TL Lead Temperature (10 sec)
300 °C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
1) IO absolute maximum rating must be observed
2) VO < GND, VO > VCC
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage (OFF State)
VO Output Voltage (High or Low State)
IOH, IOL High or Low Level Output Current (VCC = 3.0 to 3.6V)
IOH, IOL High or Low Level Output Current (VCC = 2.3 to 2.7V)
IOH, IOL High or Low Level Output Current (VCC = 1.8V)
Top Operating Temperature
dt/dv Input Rise and Fall Time (note 1)
1) VIN from 0.8V to 2V at VCC = 3.0V
Value
1.8 to 3.6
-0.3 to 3.6
0 to 3.6
0 to VCC
± 12
±8
±4
-55 to 125
0 to 10
Unit
V
V
V
V
mA
mA
mA
°C
ns/V
3/11



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74VCX162244
DC SPECIFICATIONS (2.7V < VCC < 3.6V unless otherwise specified)
Test Condition
Value
Symbol
Parameter
VIH
VIL
VOH
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Voltage
VOL Low Level Output
Voltage
II Input Leakage
Current
Ioff Power Off Leakage
Current
IOZ High Impedance
Output Leakage
Current
ICC Quiescent Supply
Current
ICC ICC incr. per Input
VCC -40 to 85 °C
(V) Min. Max.
2.7 to 3.6
2.7 to 3.6
2.7
3.0
2.7 to 3.6
2.7
3.0
2.7 to 3.6
IO=-100 µA
IO=-6 mA
IO=-8 mA
IO=-12 mA
IO=100 µA
IO=6 mA
IO=8 mA
IO=12 mA
VI = 0 to 3.6V
2.0
VCC-0.2
2.2
2.4
2.2
0.8
0.2
0.4
0.5
0.8
±5
0 VI or VO = 0 to 3.6V
10
2.7 to 3.6
2.7 to 3.6
2.7 to 3.6
VI = VIH or VIL
VO = 0 to 3.6V
VI = VCC or GND
VI or VO = VCC to
3.6V
VIH = VCC - 0.6V
± 10
20
± 20
750
-55 to 125 °C
Min. Max.
2.0
VCC-0.2
2.2
2.4
2.2
0.8
0.2
0.4
0.5
0.8
±5
10
± 10
20
± 20
750
Unit
V
V
V
µA
µA
µA
µA
µA
4/11



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