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74ALVCH16245 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer 74ALVCH16245
Beschreibung LOW VOLTAGE CMOS 16-BIT TRANSCEIVER
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 10 Seiten
74ALVCH16245 Datasheet, Funktion
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






74ALVCH16245 Datasheet, Funktion
74ALVCH16245
TEST CIRCUIT
TEST
tPLH, tPHL
tPZL, tPLZ (VCC = 3.0 to 3.6V)
tPZL, tPLZ (VCC = 2.3 to 2.7V)
tPZH, tPHZ
RT = ZOUT of pulse generator (typically 50)
TEST CIRCUIT AND WAVEFORM SYMBOL VALUE
Symbol
VIH
VM
VX
VY
CL
RL=R1
tr = tr
3.0 to 3.6V
2.7V
1.5V
VOL +0.3V
VOH -0.3V
50pF
500
<2.5ns
2.7V
2.7V
1.5V
VOL +0.3V
VOH -0.3V
50pF
500
<2.5ns
VCC
2.3 to 2.7V
VCC
VCC/2
VOL +0.15V
VOH -0.15V
30pF
500
<2.0ns
SWITCH
Open
6V
2VCC
GND
1.65 to 1.95V
VCC
VCC/2
VOL +0.15V
VOH -0.15V
30pF
1000
<2.0ns
6/10

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