74LVT640

INTEGRATED CIRCUITS 74LVT640 3.3V Octal transceiver with direction pin; inverting (3-State) Product specification Supersedes data of 1996 Oct 01 IC23 Data Handbook 1998 Feb 19 Philips Semiconductors Philips Semiconductors Product specification 3.3V Octal transceiver with direction pin; inverting (3-State) 74LVT640 FEATURES Octal bidirectional bus interface 3-State buffers Output capability: +64mA/-32mA TTL input and output switching levels Input and output interface capability to systems at 5V supply Bus-hold data inputs eliminate the need for external pull-up Live insertion/extraction permitted Power-up 3-State No bus current loading when output is tied to 5V bus Latch-up protection exceeds 500mA per JEDEC Std 17 ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model resistors to hold unused inputs DESCRIPTION The LVT640 is a high-performance BiCMOS product designed for VCC operation at 3.3V. This device is an octal transceiver featuring 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. QUICK REFERENCE DATA SYMBOL tPLH tPHL CIN CI/O ICCZ PARAMETER Propagation delay An to Bn or Bn to An Input capacitance DIR, OE I/O pin capacitance Total supply current CONDITIONS Tamb = 25°C; GND = 0V CL = 50pF; VC...