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74LVT16646ADGG Datasheet

  • 74LVT16646ADGG

  • 3.3V ABT 16-bit bus transceiver 3-State

  • 21頁

  • PHILIPS

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74LVT16646A
3.3 V 16-bit bus transceiver; 3-state
Rev. 03 鈥?12 January 2005
Product data sheet
1. General description
The 74LVT16646A is a high-performance BiCMOS product designed for V
CC
operation at
3.3 V. This device is a 16-bit transceiver featuring non-inverting 3-state bus compatible
outputs in both send and receive directions. The control function implementation
minimizes external timing requirements. The device features an output enable (OE) input
for easy cascading and a direction (DIR) input for direction control.
Data on bus A or bus B is clocked into the registers on the LOW-to-HIGH transition of the
appropriate clock (CPAB or CPBA). The select control (SAB and SBA) inputs can
multiplex stored and real-time (transparent mode data).
2. Features
s
s
s
s
s
s
s
s
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16-bit universal bus interface
3-state buffers
Output capability: from +64 mA to
鈭?2
mA
TTL input and output switching levels
Input and output interface capability to systems at 5 V supply
Bus-hold data inputs eliminate the need for external pull-up resistors to hold unused
inputs
Live insertion and extraction permitted
No bus-current loading when output is tied to 5 V bus
Power-up reset
Power-up 3-state
Latch-up protection exceeds 500 mA per JESD78
ESD protection:
x
MIL STD 883 Method 3 015: exceeds 2000 V
x
Machine model: exceeds 200 V

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