74VCXHQ163245

Features:

`HIGH SPEED: t<sub>PD</sub> =6.0ns (MAX.) at TA=85°C V<sub>CCA</sub> = 3.0V V<sub>CCB</sub> = 2.3V; Bn to An
`LOW POWER DISSIPATION: I_CCA = I_CCB = 20µA(MAX.) at T_A=85°C
`SYMMETRICAL OUTPUT IMPEDANCE: |I<sub>OHA</sub>| = I<sub>OLA</sub> = 2.6mA MIN at V<sub>CCA</sub> = 3.0V; V<sub>CCB</sub> = 1.65V or 2.3V |I<sub>OHB</sub>| = I<sub>OLB</sub> = 6mA (MIN at V<sub>CCA</sub> = 2.3V or 3.0V; V<sub>CCB</sub> = 1.65V)
`BALANCED PROPAGATION DELAYS: t_PLH t_PHL
`POWER DOWN PROTECTION ON INPUTS AND OUTPUTS
`SERIES RESISTOR ON A SIDE
`LIMITED EMI NOISE: t<sub>rA</sub> t<sub>fA</sub> 4ns at C<sub>L</sub> =10pF
`OPERATING VOLTAGE RANGE: V_CCA(OPR) = 2.3V to 3.6V (1.2V Data Retention) V_CCB(OPR) = 1.65V to 3.6V (1.2V Data Retention)
`PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 16245
`BUS HOLD PROVIDED ON DATA INPUT BOTH SIDE
`LATCH-UP PERFORMANCE EXCEEDS 500mA (JESD 17)
`ESD PERFORMANCE: HBM > 2000V (MIL STD 883 method 3015); MM > 200V

Pinout




Specifications

Symbol	Parameter	Value	Units
VCCA	Supply Voltage	-0.5 to +4.6	V
VCCB	Supply Voltage	-0.5 to +VCCA+0.5	V
VI	DC Input Voltage	-0.5 to +4.6	V
VI/OA	DC I/O Voltage (Output disabled)	-0.5 to +4.6	V
VI/OB	DC I/O Voltage (Output disabled)	-0.5 to +4.6	V
VI/OA	DC I/O Voltage	-0.5 to VCCB + 0.5	V
VI/OB	DC I/O Voltage	-0.5 to VCCB + 0.5	V
IIK	DC Input Diode Current	− 20	mA
IOK	DC Output Diode Current	-50	mA
IOA	DC Output Current	± 50	mA
IOB	DC Output Current	± 50	mA
ICCA	DC VCC or Ground Current	± 100	mA
ICCB	DC VCC or Ground Current	± 100	mA
Pd	Power Dissipation	400	mW
Tstg	Storage Temperature	-65 to +150	°C
TL	Lead Temperature (10 sec)	260	°C

Description

The 74VCXHQ163245 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 and limited rise and fall time (Low EMI).
This IC of the 74VCXHQ163245 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