74ALVCH16245 PDF даташит
Спецификация 74ALVCH16245 изготовлена «STMicroelectronics» и имеет функцию, называемую «LOW VOLTAGE CMOS 16-BIT TRANSCEIVER». |
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Детали детали
Номер произв | 74ALVCH16245 |
Описание | LOW VOLTAGE CMOS 16-BIT TRANSCEIVER |
Производители | STMicroelectronics |
логотип |
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74ALVCH16245
LOW VOLTAGE CMOS 16-BIT TRANSCEIVER (3-STATE)
WITH 3.6V TOLERANT INPUTS AND OUTPUTS
s 3.6V TOLERANT INPUTS AND OUTPUTS
s HIGH SPEED:
tPD = 3.0 ns (MAX.) at VCC = 3.0 to 3.6V
tPD = 3.7 ns (MAX.) at VCC = 2.3 to 2.7V
tPD =6 ns (MAX.) at VCC = 1.65V
s POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24mA (MIN) at VCC = 3.0V
|IOH| = IOL = 12mA (MIN) at VCC = 2.3V
|IOH| = IOL = 4mA (MIN) at VCC = 1.65V
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 1.65V to 3.6V
s BUS HOLD PROVIDED ON DATA INPUTS
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16245
s LATCH-UP PERFORMANCE EXCEEDS
300mA (JESD 17)
s ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74ALVCH16245 is a low voltage CMOS 16
BIT BUS TRANSCEIVER fabricated with
sub-micron silicon gate and five-layer metal wiring
C2MOS 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.
This IC is intended for two-way asynchronous
communication between data busses; the
direction of data transmission is determined by
DIR input. The enable input G can be used to
disable the device so that the busses are
effectively isolated.
Bus hold on data inputs is provided in order to
eliminate the need for external pull-up or
pull-down resistor.
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
74ALVCH16245TTR
July 2003
1/10
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74ALVCH16245
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
Z : High Impedance
X : Don‘t Care
FUNCTION
OUTPUT
A BUS B BUS
OUTPUT INPUT
INPUT OUTPUT
ZZ
Yn
A=B
B=A
Z
IEC LOGIC SYMBOLS
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74ALVCH16245
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 = 1.65V)
Top Operating Temperature
dt/dv Input Rise and Fall Time (note 1)
1) VIN from 0.8V to 2V at VCC = 3.0V
Value
1.65 to 3.6
-0.3 to 3.6
0 to 3.6
0 to VCC
± 24
± 12
±4
-55 to 125
0 to 10
Unit
V
V
V
V
mA
mA
mA
°C
ns/V
3/10
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