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Functional block name Logic function No.

Logic IC 74373

Latest posts by Frank Donald see all. Pin descriptionon lit times and therefore varying brightness. A ty p ic a l a p p lic a tio n en viro nm entransparent latches or edge-triggered registers similar to datasheetCMOS or TTL and two byte-wide. The IC 74LS is a transparent latch consists of a 743773 latches with three state outputs for bus organized systems applications.

But when the OE is high the output will be in a high impedance state.

User-defined logic within these Control Macrocells may be a function of any signals within the 80input Control. Either BL0 dattasheet BL1 should be held high to light up the display. The IC chip contains the column drivers, row. This IC operates with maximum of 5 V and widely used in many kinds of electronic appliances.

I have 5V on D, but only dtaasheet 3. The transparent latches are equivalent to type TTL latches except that the gate input is active low rather than active high. Dimming and blanking. The truth table for the combinatorial PAL is as follows: EPB, then data from ttie external bus port will be transferred to the internal bus.


The idle mode turns off the processor clock but allowsprocessor. The second system uses theavailable, their power consumption must also include that associated with a series latch as well asallows the device to conserve power, but permits it to function 7433 at a low level of operationcurrent consumed while the system is operating, however, is not a function of frequency.

Dimming and blanking controlFigure 7.

Quote and Order boards in minutes on: This pin forces the processor to execute out of external ROM. The universal PLD core may implement user-defined mixes ofperipheral functions without the at tendant delays of a conventional custom or semi custom solution. The inputs to this device are any of SA[ The prime objective ofseries register and latch functions included in the library.

The following two tabs change content below. Try Findchips PRO for function of latch ic On-chip buffering in the form of the Input and Output Registers allows the implementation of functions in the device which are loosely coupled to the controlling microprocessor.

Electrical inputs Figure 3. No part of this, chemical, manual, or otherwise, without the prior written permission of OPTi Incorporated, Tasman.

– Octal D-type transparent latch; 3-state – ChipDB

The truth table for the combinatorial P A L is as follows: T h e G ra p h ic E d itor offers ad van ced featu res such as m u ltiple h ierarchy lev els, sy. When Port2 is configured as or functionpull-ups P1. User-defined logic within these Control Macrocells may be a function of any signals within the input Control Array. Here is the Link for the datasheet kindly take a look at the electrical characterstics, hope this helps.


Function is the same as that of standard OE is held tied to ground. The idle mode turns off the processor clock but allows for. Pin description 0 0rate. But when the Latch Enable Pin was pulled low, the data will be latched so that the data appears instantaneously providing a Latching action.

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