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74VCX1632245LBRSTN/a89000avai16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR
74VCX1632245TBRSTM ?N/a7370avai16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR
74VCX1632245TTRSTN/a88avai16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR


74VCX1632245LBR ,16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTORLOGIC DIAGRAMV (OPR) = 1.65V to2.7V (1.2V DataCCBRetention)■ PIN AND FUNCTION COMPATIBLE WITH74 SER ..
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74VCX1632245TTR ,16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTORLOGIC DIAGRAMV (OPR) = 1.65V to2.7V (1.2V DataCCBRetention)■ PIN AND FUNCTION COMPATIBLE WITH74 SER ..
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74VCX1632245LBR-74VCX1632245TBR-74VCX1632245TTR
16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR
1/15February 2003 HIGH SPEED:tPD= 4.4ns (MAX.)atTA =85°C CCA =3.0VV CCB =2.3V LOW POWER DISSIPATION: CCA=I CCB =20μA(MAX.)atTA =85°C SYMMETRICAL OUTPUT IMPEDANCE:
|IOHA|= IOLA= 8mA MINat
VCCA =3.0V VCCB= 1.65Vor 2.3V OHA|=I OLA= 18mA MINat
VCCA =2.3V VCCB= 1.65V) BALANCED PROPAGATION DELAYS: PLH≅t PHL POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS SERIES RESISTOR ONA SIDE OPERATING VOLTAGE RANGE: CCA (OPR)= 2.3Vto 3.6V (1.2V Data
Retention) CCB (OPR)= 1.65V to2.7V (1.2V Data
Retention) PIN AND FUNCTION COMPATIBLE WITH SERIES 16245 LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17) ESD PERFORMANCE:
HBM> 2000V (MIL STD 883 method 3015);> 200V
DESCRIPTION

The 74VCX1632245isa dual supply low voltage
CMOS 16-BIT BUS TRANSCEIVER fabricated
with sub-micron silicon gate and triple-layer metal
wiringC2 MOS tecnology. Designed for useasan
interface betweena 3.3V bus anda 2.5Vor 1.8V
busina mixed 3.3V/1.8V,3.3V/2.5V and 2.5V/
1.8V supply sistems,it achieves high speed
operation while maintaining the CMOS low power
dissipation.
This ICis intended for two-way asynchronous
communication between data buses and the
directionof data transmissionis determined by
nDIR inputs. The enable inputs nG canbeusedto
disable the deviceso 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 HighZ State must be held
HIGHor LOW.
74VCX1632245

16-BIT DUAL SUPPLY BUS TRANSCEIVER
LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR
ORDER CODES
TARGET DATA
LOGIC DIAGRAM
74VCX1632245
2/15
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
74VCX1632245
3/15
PIN CONNECTION
(top view for TSSOP, top thru viewfor BGA)
TRUTH TABLE

X=Don’t care; Z=High Impedance
74VCX1632245
4/15
ABSOLUTE MAXIMUM RATINGS

Absolute Maximum Ratingsare those value beyond which damagetothe device may occur. Functional operation under these conditionsis
not implied
RECOMMENDED OPERATING CONDITIONS
VIN from 0.8Vto 2.0Vat VCC =3.0V
74VCX1632245
5/15 SPECIFICATION FORV CCA
(*) VCC range= 3.3±0.3; 2.5±0.2V; 1.8±0.15V
74VCX1632245
6/15 SPECIFICATION FORV CCB
(*) VCC range= 3.3±0.3; 2.5±0.2V; 1.8±0.15V
74VCX1632245
7/15
DINAMIC SWITCHING CHARACTERISTICS
74VCX1632245
8/15 ELECTRICAL CHARACTERISTICS Skewis definedasthe absolute valueofthe difference betweenthe actual propagation delayfor anytwo outputsofthe same device
switchinginthe same direction, either HIGHor LOW (tOSLH=| tPLHm -tPLHn|, tOSHL =|tPHLm -tPHLn| Parameter guaranteedby design
CAPACITANCE CHARACTERISTICS
CPDis definedasthe valueofthe IC’s internal equivqlent capacitance whichis calculated fromthe operating current consumption without
load. (Referto Test Circuit). Average currentcqnbe obtqinedbythe following equation. ICC(opr) =CPD xVCC xfIN +ICC/16 (per circuit)
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