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74ALVCH16245 반도체 회로 부품 판매점

LOW VOLTAGE CMOS 16-BIT TRANSCEIVER



STMicroelectronics 로고
STMicroelectronics
74ALVCH16245 데이터시트, 핀배열, 회로
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
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74ALVCH16245 데이터시트, 핀배열, 회로
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 transceiver

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