CY74FCT162245T

Features:

* FCT-E speed at 3.2 ns
* Power-off disable outputs permits live insertion
* Edge-rate control circuitry for significantly improved noise characteristics
* Typical output skew < 250 ps
* ESD > 2000V
* TSSOP (19.6-mil pitch) and SSOP (25-mil pitch) packages
* Industrial temperature range of 40?C to +85?C
* V_CC  = -5V  10%
   CY74FCT16245T Features:
* 64 mA sink current, 32 mA source current
* Typical V_OLP  (ground bounce)<1.0V at V_CC  = 5V,
   T_A  = 25?C
   CY74FCT162245T Features:
* Balanced output drivers: 24 mA
* Reduced system switching noise
* Typical V_OLP  (ground bounce) <0.6V at V_CC  = 5V,
   T_A = 25?C

   CY74FCT162H245T Features:
* Bus hold on data inputs
* Eliminates the need for external pull-up or pull-down resistors


Pinout




Specifications

(Above which the useful life may be impaired. For user
guidelines, not tested.)
Storage Temperature ..........................Com'l -55 C to +125 C
Ambient Temperature with
Power Applied......................................Com'l -55 C to +125 C
DC Input Voltage ............................................ 0.5V to +7.0V
DC Output Voltage........................................... 0.5V to +7.0V
DC Output Current
(Maximum Sink Current/Pin) ...........................60 to +120 mA
Power Dissipation..............................................................1.0W
Static Discharge Voltage...............................................>2001V
(per MIL-STD-883, Method 3015)


Description

These 16-bit transceiversaredesigned foruse inbidirectional synchronous communication between two buses, where high speed and low power are required. With the exception of the CY74FCT16245T, CY74FCT162245T can be operated either as twoindependentoctalsorasingle16-bittransceiver.Direction of data flow is controlled by (DIR), the Output Enable (OE) transfers data when LOW and isolates the buses when HIGH. The output buffers of CY74FCT162245T are designed with power off disable capability to allow for live insertion of boards.

The CY74FCT16245T is ideally suited for driving high-capacitance loads and low-impedance backplanes.

The CY74FCT162245T has 24-mA balanced output drivers with current limiting resistors in the outputs. This reduces the need for external terminating resistors and provides for minimal undershoot and reduced ground bounce.

The CY74FCT162245T is ideal for driving transmission lines.

TheCY74FCT162H245T is a24-mAbalancedoutputpartthat hasbusholdonthedatainputs.Thedeviceretainstheinput's last state whenever the input goes to high impedance. This eliminates the need for pull-up/down resistors and prevents floating inputs.