MFG:ON Package Cooled:SOIC 14 LEAD D/C:07+
MFG: ON
Package Cooled: SOIC 14 LEAD
D/C: 07+
Description: The MC74HC393A is identical in pinout to the LS393. The device inputs are compatible with standard CMO...
The MC74HC393A is identical in pinout to the LS393. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.
This device consists of two independent 4bit binary ripple counters with parallel outputs from each counter stage. A ÷ 256 counter can be obtained by cascading the two binary counters.
Internal flipflops are triggered by hightolow transitions of the clock input. Reset for the counters is asynchronous and activehigh. State changes of the Q outputs do not occur simultaneously because of internal ripple delays. Therefore, decoded output signals are subject to decoding spikes and should not be used as clocks or as strobes except when gated with the Clock of the HC393A.
| Symbol | Parameter | Value | Unit |
| vcc | DC Supply Voltage (Referenced to GND) | 0.5 to +7.0 | V |
| VIN | DC Input Voltage (Referenced to GND) | 0.5 to VCC + 0.5 | V |
| VOUT | DC Output Voltage (Referenced to GND) | 0.5 to VCC + 0.5 | V |
| LIN | DC Input Current, per Pin | ±20 | mA |
| IOUT | DC Onput Current, per Pin | ±35 | mA |
| ICC | DC Supply Current Per Supply Pin | ±75 | mA |
| PD | Power dissipation in still air piastic DIP SOIC package |
750 500 450 |
mW |
| TSTG | Storage Temperature | 65 to +150 | °C |
| TL | Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) |
260 | °C |
MC74HC393ADR2
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The MC54/74HC393A is identical in pinout to the LS393. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.MC74HC393A consists of two independent 4bit binary ripple counters with parallel...
The MC54/74HC393 is identical in pinout to the LS393. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.MC74HC393 consists of two independent 4bit binary ripple counters with parallel o...
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