|Category||Logic => TC74AC Series|
|Description||Function = Dual Binary Counter ;; Pins = 14|
|Company||Toshiba America Electronic Components, Inc.|
|Datasheet||Download TC74AC393P datasheet
Features: High Speed: fMAX = 180MHz (typ.) at VCC = 5V Low Power Dissipation: ICC = 8µA (max.) = 25°C High Noise Immunity: VNIH = VNIL = 28% VCC (min.) Symmetrical Output Impedance: IOH = IOL = 24mA (min.). Capability of driving 50 transmission lines. Balanced Propagation Delays: tpLH = tpHL Wide Operating Voltage Range: VCC (opr.) = 2V~5.5V Pin and Function Compatible with 74HC393 Available in 14-pin DIP and 150 mil SOIC
The is an advanced high speed CMOS DUAL BINARY COUNTER fabricated with silicon gate and doublelayer metal wiring C2MOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL, while maintaining the CMOS low power dissipation. It contains two independent counter circuits in one package, so that counting or frequency division of eight binary bits can be achieved with one IC. This device changes state on the negative going transition of the CLOCK pulse. The counter can be reset by a high at the CLEAR input regardless of other inputs. All inputs are equipped with protection circuits against static discharge or transient excess voltage. Truth TableINPUTS CK X CLR L X: Don't Care QA L OUTPUTS QB L COUNT UP NO CHANGE QD L
The information contained here is subject to change without notice. The information contained herein is presented only as guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. These TOSHIBA products are intended for usage in general electronic equipments (office equipment, communication equipment, measuring equipment, domestic electrification, etc.) Please make sure that you consult with us before you use these TOSHIBA products in equipments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life (atomic energy control, spaceship, traffic signal, combustion control, all types of safety devices, etc.). TOSHIBA cannot accept liability to any damage which may occur in case these TOSHIBA products were used in the mentioned equipments without prior consultation with TOSHIBA.
PARAMETER Supply Voltage Range DC Input Voltage DC Output Voltage Input Diode Current Output Diode Current DC Output Current DC VCC/Ground Current Power Dissipation Storage Temperature Lead Temperature 10sec SYMBOL VCC VIN VOUT IIK IOK IOUT ICC PD Tstg TL VALUE 0.5 -0.5~VCC (DIP) */180 (SOP) -65~150 300 UNIT 500mW in the range = -40°C~65°C. From 85°C a derating factor of -10mW/°C should be applied to 300mW.
PARAMETER Supply Voltage Input Voltage Output Voltage Operating Temperature Input Rise and Fall Time SYMBOL VCC VIN VOUT Topr dt/dv VALUE -40~85 0~100 (VCC 3.3±0.3V) 0~20 (VCC = 5±0.5V) UNIT V °C ns/v
* This spec indicates the capability of driving 50 transmission lines. One output should be tested at a time for a 10ms maximum duration.
Ta=25°C PARAMETER SYMBOL tW(H) tW(L) tW(H) trem TEST CONDITION VCC Minimum Pulse Width (CK) Minimum Pulse Width (CLR) Minimum Removal Time Typ. Max. ns Ta= 40~85° UNIT
Note (1): CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr) = CPD VCC fIN + ICC / 2 (per Counter).
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