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74LCX162244 PDF даташит

Спецификация 74LCX162244 изготовлена ​​​​«ST Microelectronics» и имеет функцию, называемую «LOW VOLTAGE CMOS 16-BIT BUS BUFFER».

Детали детали

Номер произв 74LCX162244
Описание LOW VOLTAGE CMOS 16-BIT BUS BUFFER
Производители ST Microelectronics
логотип ST Microelectronics логотип 

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74LCX162244 Даташит, Описание, Даташиты
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74LCX162244
LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE)
WITH 5V TOLERANT INPUTS AND OUTPUTS
s 5V TOLERANT INPUTS AND OUTPUTS
s HIGH SPEED :
tPD = 4.4 ns (MAX.) at VCC = 3V
s POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 12mA (MIN) at VCC = 3V
s PCI BUS LEVELS GUARANTEED AT 12 mA
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s 26SERIE RESISTORS IN OUTPUTS
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 2.0V to 3.6V (1.5V Data
Retention)
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 162244
s LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17)
s ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74LCX162244 is a low voltage CMOS 16 BIT
BUS BUFFER (NON-INVERTED) fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology. It is ideal for low power
and high speed 3.3V applications; it can be
interfaced to 5V signal environment for both inputs
and outputs.
Any nG output control governs four BUS BUFF-
ERS. 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 resis-
tance in the outputs. These resistors permit to re-
duce line noise in high speed applications.
All inputs and outputs are equipped with protec-
tion circuits against static discharge, giving them
2KV ESD immunity and transient excess voltage.
TSSOP
ORDER CODES
PACKAGE
TSSOP
TUBE
PIN CONNECTION
T&R
74LCX162244TTR
February 2003
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74LCX162244 Даташит, Описание, Даташиты
74LCX162244
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
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74LCX162244 Даташит, Описание, Даташиты
74LCX162244
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7.0
V
VI DC Input Voltage
-0.5 to +7.0
V
VO DC Output Voltage (OFF State)
-0.5 to +7.0
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 DC Supply Current per Supply Pin
± 100
mA
IGND DC Ground Current per Supply Pin
± 100
mA
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
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage (note 1)
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 = 2.7V )
Top Operating Temperature
dt/dv Input Rise and Fall Time (note 2)
1) Truth Table guaranteed: 1.5V to 3.6V
2) VIN from 0.8V to 2V at VCC = 3.0V
Value
2.0 to 3.6
0 to 5.5
0 to 5.5
0 to VCC
± 12
±8
-55 to 125
0 to 10
Unit
V
V
V
V
mA
mA
°C
ns/V
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