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SN74LVT16646

Features: State-of-the-Art Advanced BiCMOSTechnology (ABT) Design for 3.3-VOperation and Low-Static PowerDissipationMembers of the Texas InstrumentsWidebus(TM) FamilySupport Mixed-Mode Signal Operation (5-VInput and Output Voltages With 3.3-V VCC )Support Unregulated Battery OperationDown to 2.7 V...

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SeekIC No. : 004499429 Detail

SN74LVT16646: Features: State-of-the-Art Advanced BiCMOSTechnology (ABT) Design for 3.3-VOperation and Low-Static PowerDissipationMembers of the Texas InstrumentsWidebus(TM) FamilySupport Mixed-Mode Signal Operat...

SN74LVT16646 Data Sheet

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Part Number:
SN74LVT16646
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

State-of-the-Art Advanced BiCMOS
Technology (ABT) Design for 3.3-V
Operation and Low-Static Power
Dissipation
Members of the Texas Instruments
Widebus(TM) Family
Support Mixed-Mode Signal Operation (5-V
Input and Output Voltages With 3.3-V VCC )
Support Unregulated Battery Operation
Down to 2.7 V
Typical VOLP (Output Ground Bounce)
< 0.8 V at VCC  = 3.3 V, TA  = 25
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds
200 V Using Machine Model
(C = 200 pF, R = 0)
Latch-Up Performance Exceeds 500 mA
Per JEDEC Standard JESD-17
Bus-Hold Data Inputs Eliminate the Need
for External Pullup Resistors
Support Live Insertion
Distributed VCC  and GND Pin Configuration
Minimizes High-Speed Switching Noise
Flow-Through Architecture Optimizes
PCB Layout
Package Options Include Plastic 300-mil
Shrink Small-Outline (DL) and Thin Shrink
Small-Outline (DGG) Packages and 380-mil
Fine-Pitch Ceramic Flat (WD) Package
Using 25-mil Center-to-Center Spacings


Pinout

Connection Diagram


Specifications

Supply voltage range, VCC   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . ..............  0.5 V to 4.6 V
Input voltage range, VI  (see Note 1)  . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . ............. . . . .  0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, VO  (see Note 1)  . . . .  0.5 V to 7 V
Current into any output in the low state, IO : SN54LVT16646  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  96 mA
                                                                        SN74LVT16646 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .  128 mA
Current into any output in the high state, IO  (see Note 2): SN54LVT16646 . . . . . . . . . . . . . . . . . . .. . . .  48 mA
                                                                                              SN74LVT16646 . . . . . . . . . . . . . . . . . . . . .. .  64 mA
Input clamp current, IIK  (VI < 0)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    50 mA
Output clamp current, IOK   (VO < 0)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .  50 mA
Maximum power dissipation at TA  = 55 (in still air) (see Note 3):DGG package . . . . . . . . . . . . . . . ....... . .  1 W
                                                                                                        DL package . . . . . . . . . . . . . . . . . .... . . 1.4 W
Storage temperature range, Tstg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 65 to 150



Description

The SN74LVT16646 are 16-bit bus transceivers designed for low-voltage (3.3-V) VCC  operation, but with the capability to provide a TTL interface to a 5-V system environment.

These devices SN74LVT16646 can be used as two 8-bit transceivers or one 16-bit transceiver. Data on the A or B bus is clocked into the registers on the low-to-high transition of the appropriate clock (CLKAB or CLKBA) input. Figure 1 illustrates the four fundamental bus-management functions that can be performed with the LVT16646.

Output-enable (OE) and direction-control (DIR) inputs are provided by SN74LVT16646 to control the transceiver functions. In the transceiver mode, data present at the high-impedance port may be stored in either register or in both. The select-control (SAB and SBA) inputs can multiplex stored and real-time (transparent mode) data. The circuitry used for select control eliminates the typical decoding glitch that occurs in a multiplexer during the transition between stored and real-time data. The direction control (DIR) of SN74LVT16646 determines which bus receives data when OE is low. In the isolation mode (OE high), A data may be stored in one register and/or B data may be stored in the other register.




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