SN74LVT162245ADGGR ,3.3-V ABT 16-Bit Bus Transceivers With 3-State Outputs/sc/package.(2) Product previewGQL OR ZQL PACKAGE (1)TERMINAL ASSIGNMENTS(TOP VIEW)(56-Ball GQL/ZQL ..
SN74LVT162245ADL ,3.3-V ABT 16-Bit Bus Transceivers With 3-State OutputsFEATURESSN54LVT162245A . . . WD PACKAGE• Members of the Texas Instruments Widebus™SN74LVT162245A . ..
SN74LVT16240DGGR ,3.3-V ABT 16-Bit Buffers/Drivers With 3-State OutputsFEATURES• Members of the Texas Instruments Widebus™SN54LVT16240 . . . WD PACKAGEFamilySN74LVT16240 ..
SN74LVT16240DGGR ,3.3-V ABT 16-Bit Buffers/Drivers With 3-State OutputsSCBS717A–APRIL 2000–REVISED NOVEMBER 2006DESCRIPTION/ORDERING INFORMATION (CONTINUED)The SN54LVT162 ..
SN74LVT16240DL ,3.3-V ABT 16-Bit Buffers/Drivers With 3-State Outputsmaximum ratings" may cause permanent damage to the device. These are stress ratingsonly, and functi ..
SN74LVT16240DLR ,3.3-V ABT 16-Bit Buffers/Drivers With 3-State OutputsMaximum Ratingsover operating free-air temperature range (unless otherwise noted)MIN MAX UNITV Supp ..
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SN74LVT162245ADGGR-SN74LVT162245ADL
3.3-V ABT 16-Bit Bus Transceivers With 3-State Outputs 48-TSSOP -40 to 85
SN54LVT162245A..SN74LVT162245A... DGG OR DL PACKAGE
(TOP VIEW)1DIR
1B1
1B2
GND
1B3
1B4
VCC
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCC
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
VCC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCC
2A5
2A6
GND
2A7
2A8
2OE
DESCRIPTION/ORDERING INFORMATION
SN54LVT162245A,
3.3-V ABT 16-BIT BUS TRANSCEIVERS Membersof the Texas Instruments Widebus™
Family A-Port Outputs Have Equivalent 22-Ω Series
Resistors, So No External Resistors Are
Required Supprt Mixed-Mode Signal Operation (5-V
Input and Output Voltages With 3.3-V VCC) Support Unregulated Battery Operation 2.7V Typical VOLP (Output Ground Bounce)
<0.8Vat VCC= 3.3V,TA= 25°C Ioff and Power-Up 3-State Support Hot
Insertion DistributedVCC and GND Pins Minimize
High-Speed Switching Noise Flow-Through Architecture Optimizes PCB
Layout Latch-Up Performance Exceeds 100 mA
JESD 78, ClassII ESD Protection Exceeds JESD22 2000-V Human-Body Model (A114-A) 200-V Machine Model (A115-A) 1000-V Charged-Device Model (C101)The 'LVT162245A devices are 16-bit (dual-octal) noninverting 3-state transceivers designed for low-voltage
(3.3-V) VCC operation, but with the capabilitya TTL interfacetoa 5-V system
These devices are designed for asynchronous between two data buses. logic levelsof the
direction-control (DIR) input and the output-enable (OE) input activate either the B-portor the A-port
outputsor place both output ports into the high-impedance mode. The device transmits from theA busto
theB bus when the B-port outputs are activated, and from theB busto theA bus when A-port outputs are
activated. The input circuitryon bothA andis always active and must havea logic HIGHor LOW level
appliedto prevent excess ICC and ICCZ.
The A-port outputs, which are designedto sourceor sink upto12 mA, include equivalent 22-Ω series resistors reduce overshoot and undershoot.
When VCCis between0 and 1.5V, the devicesin the high-impedance state during powerupor power down.
However,to ensure the high-impedance state 1.5V, OE should be tiedto VCC througha pullup resistor; valueof the resistoris determinedby the current-sinking capabilityof the driver. devices for hot-insertion applications usingIoff and power-up The Ioff circuitry the outputs, preventing through the devices when are powered down. 3-state circuitry state during powerup and power down,
which prevents driver conflict.
