(China (Mainland))
Product Summary
This 16-bit (dual-octal) noninverting bus transceiver SN74ALVC164245DGGR contains two separate supply rails. B port has VCCB, which is set to operate at 3.3 V and 5 V. A port has VCCA, which is set to operate at 2.5 V and 3.3 V. This allows for translation from a 2.5-V to a 3.3-V environment, and vice versa, or from a 3.3-V to a 5-V environment, and vice versa. The SN74ALVC164245DGGR is designed for asynchronous communication between data buses. The control circuitry (1DIR, 2DIR, 1OE, and 2OE) is powered by VCCA. To ensure the high-impedance state during power up or power down, the output-enable (OE) input should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Parametrics
SN74ALVC164245DGGR absolute maximum ratings: (1)VCC Supply voltage range: VCCA -0.5 to 4.6 V; VCCB -0.5 6; (2)VI Input voltage range: Except I/O ports(2) -0.5 6; I/O port A(3) -0.5 to VCCA + 0.5 V; I/O port B(2) -0.5 V to CCB + 0.5; (3)IIK Input clamp current VI < 0 -50 mA; (4)IOK Output clamp current VO < 0 -50 mA; (5)IO Continuous output current ±50 mA; (6)Continuous current through each VCC or GND ±100 mA; (7)θJA Package thermal impedance(4): DGG package 70℃/W; DL package 63; GQL/ZQL package 42; GRD/ZRD package 36; (8)Tstg Storage temperature range: -65 to 150 ℃.
Features
SN74ALVC164245DGGR features: (1)Member of the Texas Instruments Widebus. Family; (2)Max tpd of 5.8 ns at 3.3 V; (3)±24-mA Output Drive at 3.3 V; (4)Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage; (5)Latch-Up Performance Exceeds 250 mA Per JESD 17.
Diagrams
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 SN74ALVC164245DGGR |
Texas Instruments |
Translation - Voltage Levels Tri-State 16-Bit |
Data Sheet |
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