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74LCXHR162245 PDF даташит

Спецификация 74LCXHR162245 изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER».

Детали детали

Номер произв 74LCXHR162245
Описание LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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74LCXHR162245 Даташит, Описание, Даташиты
74LCXHR162245
LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER
WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE)
s 5V TOLERANT INPUTS AND OUTPUTS
s HIGH SPEED:
tPD = 4.7 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 OPERATING VOLTAGE RANGE:
VCC(OPR) = 2.0V to 3.6V (1.5V Data
Retention)
s BUS HOLD PROVIDED ON BOTH SIDES
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16245
s LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17)
s ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74LCXHR162245 is a low voltage CMOS 16
BIT BUS TRANSCEIVER (3-STATE) 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.
This IC is intended for two-way asynchronous
communication between data buses; the direction
of data transmission is determined by DIR input.
The two enable inputs nG can be used to disable
the device so that the buses are effectively isolat-
ed.
Bus hold on data inputs is provided in order to
eliminate the need for external pull-up or
pull-down resistor.
All outputs, which are designed to sink up to
12mA, include 26resistors to reduce overshoot
and undershoot.
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
TUBE
TSSOP
PIN CONNECTION
T&R
74LCXHR162245TTR
July 2003
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74LCXHR162245 Даташит, Описание, Даташиты
74LCXHR162245
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
36, 35, 33, 32,
30, 29, 27, 26
47, 46, 44, 43,
41, 40, 38, 38
48
4, 10, 15, 21,
28, 34, 39, 45
7, 18, 31, 42
1DIR
1B1 to 1B8
2B1 to 2B8
2DIR
2G
2A1 to 2A8
1A1 to 1A8
1G
GND
VCC
Directional Control
Data Inputs/Outputs
Data Inputs/Outputs
Directional Control
Output Enable Input
Data Inputs/Outputs
Data Inputs/Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
INPUTS
G DIR
LL
LH
HX
X : Don‘t Care
Z : High Impedance
FUNCTION
OUTPUT
A BUS B BUS
OUTPUT INPUT
INPUT OUTPUT
ZZ
Yn
A=B
B=A
Z
IEC LOGIC SYMBOLS
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74LCXHR162245 Даташит, Описание, Даташиты
74LCXHR162245
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7.0
V
VI DC Input Voltage (DIR, G)
-0.5 to +7.0
V
VI/O Bus I/O Voltage (OFF State)
-0.5 to +7.0
V
VI/O Bus I/O 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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Номер в каталогеОписаниеПроизводители
74LCXHR162245LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVERSTMicroelectronics
STMicroelectronics

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