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74VCX1632245 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. 74VCX1632245
Description  16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74VCX1632245 Datasheet(HTML) 1 Page - STMicroelectronics

 
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March 2005
I
HIGH SPEED: tPD = 4.4ns (MAX.) at TA=85°C
VCCA = 3.0V VCCB = 2.3V
I
LOW POWER DISSIPATION:
ICCA = ICCB = 20µA(MAX.) at TA=85°C
I
SYMMETRICAL OUTPUT IMPEDANCE:
|IOHA| = IOLA = 8mA MIN at
VCCA = 3.0V VCCB = 1.65V or 2.3V
|IOHA| = IOLA = 18mA MIN at
VCCA = 2.3V VCCB = 1.65V)
I
BALANCED PROPAGATION DELAYS:
tPLH tPHL
I
POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
I
26
ΩSERIESRESISTOR ON ASIDEOUTPUTS
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OPERATING VOLTAGE RANGE:
VCCA(OPR) = 2.3V to 3.6V (1.2V Data
Retention)
VCCB(OPR) = 1.65V to 2.7V (1.2V Data
Retention)
I
MAX DATA RATES:
380 Mbps (1.8V to 3.3V translation)
260 Mbps (<1.8V to 3.3V translation)
260 Mbps (Translate to 2.5V)
210 Mbps (Translate to 1.5V)
100 Mbps (Translate to 1.2V)
I
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16245
I
LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17)
I
ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74VCX1632245 is a dual supply low voltage
CMOS 16-BIT BUS TRANSCEIVER fabricated
with sub-micron silicon gate and five-layer metal
wiring C2MOS technology. Designed for use as an
interface between a 3.3V bus and a 2.5V or 1.8V
bus in a mixed 3.3V/1.8V,3.3V/2.5V and 2.5V/
1.8V supply systems, it achieves high speed
operation while maintaining the CMOS low power
dissipation.
This IC is intended for two-way asynchronous
communication between data buses and the
direction of data transmission is determined by
nDIR inputs. The enable inputs nG can be used to
disable the device so that the buses are effectively
isolated. The A-port interfaces with the 3V bus, the
B-port with the 2.5V and 1.8V bus.
All inputs are equipped with protection circuits
against static discharge, giving them 2KV ESD im-
munity and transient excess voltage. All floating
bus terminals during High Z State must be held
HIGH or LOW.
74VCX1632245
16-BIT DUAL SUPPLY BUS TRANSCEIVER
LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR
Table 1: Order Codes
PACKAGE
T & R
TSSOP48
74VCX1632245TTR
TFBGA54
74VCX1632245LBR
µTFBGA42
74VCX1632245TBR
TSSOP
µTFBGA
TFBGA
Figure 1: Logic Diagram
n = 1, 2
Rev. 14


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