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ICL 3222 PDF

ICLE, ICLE, ICLE, ICL. 3. E, ICLE, ICLE. ±15kV ESD Protected, +3V to +V, 1µA, kbps,. RS ICLECAZ-T, Manufacturer: Intersil, D/C: +, Qty: , Region: China, Action: PDF: Contact Vendor. Part No.: ICLECAZ-T, Manufacturer. cum Notis Variorum, edente Arnt2enio, 31W and very neat, 14s Amjl. r Plinii Epiftolae et Panegyricus, fine paper, 9s Glafg.1’icl Aliud Exemplar.

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The already low current requirement drops signi?

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Internally generated negative transmitter supply Active low output that indicates if no valid RS levels are present on any receiver input. Standard receivers driving powered down peripherals must be disabled to prevent current?

This family is fully compatible with 3. The specification table lists a minimum of kbps to maintain complete compatibility with competitor data sheets. Reconnecting the cable restores valid levels at the receiver inputs, INVALID switches high, and the power management ilc wakes up the interface block. ICLX monitor receivers remain active even during manual powerdown and forced receiver disable, making them extremely useful for Ring Indicator monitoring.

When using minimum required capacitor values, make sure that capacitor values do not degrade ick with temperature. This automatic powerdown feature provides additional system power savings without changes to the existing operating system. See Table 4 for more information on possible combinations of interconnections.

Guaranteed Minimum Data Rate. The static transmitters were also loaded with an RS receiver. 3222 applications are PDAs, Palmtops, and notebook and laptop computers where the low operational, and even lower standby, power consumption is critical.


Nevertheless, if strictly manual control over powerdown is desired, the user must strap FORCEON high to disable the automatic powerdown circuitry.

F capacitors for 3. For this test, all transmitters were simultaneously driving RS loads in parallel with pF, at kbps.

A mouse, or other application, may need more time to wake up from shutdown. Figure 5 illustrates a circuit that keeps the ICL32XX from initiating automatic powerdown for ms after powering up. Inverting receiver outputs may or may not disable in powerdown; refer to Table 2 for details. External capacitor voltage doubler is connected to this lead. RS compatible receiver inputs. Connect unused inputs to GND for the best performance.

Figure 12 shows the loopback results for a single transmitter driving pF and an RS load at kbps. External capacitor voltage inverter is connected to this lead.

All devices guarantee a kbps data rate for full load conditions 3k? Capacitor Selection The charge pumps require 0. Data rates greater than kbps are guaranteed at worst case load conditions. INVALID operates in all modes forced or automatic powerdown, or forced onso it is also useful for systems employing manual powerdown circuitry. Additionally, the two ICLX products include noninverting monitor receivers denoted by the ROUTB label that are always active, regardless of the state of any control lines.

In powerdown, supply current drops to 1? As they activate, the two transmitter outputs properly go to opposite RS levels, with no glitching, ringing, nor undesirable transients. In applications that are particularly sensitive to power supply noise, decouple VCC to ground with a capacitor of the same value as the charge-pump capacitor C1.


Аналоги для «ICL»

The INVALID output always indicates whether or not a valid RS signal is present at any of the receiver inputs see Table 2giving the user icp easy way to determine when the interface block should power down. In the case of a disconnected interface cable where all the receiver inputs are?

Active low input to shut down transmitters and on-board power supply, to place device in low power mode. Driving EN high disables all the inverting standard receiver outputs placing them in a high impedance state. The charge pump, the transmitters, and the receivers.

Аналоги для «3222»

If in iccl, use capacitors with a larger nominal value. F bypass capacitor is adequate. Connect the bypass capacitor as close as possible to the IC. This renders them useless for wake up functions, but the corresponding monitor receiver can be dedicated to this task as shown in Figure 3.

ICL ECA_图文_百度文库

F; Unless Otherwise Speci? ICL receivers disable during forced manual powerdown, but not during automatic powerdown see Table 2.

This gives the slow-to-wake peripheral circuit time to reestablish valid RS output levels. ic

Figure 9 shows the transmitter output voltages under increasing load current.