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TC74AC390P/F/FN
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74AC390P,TC74AC390F,TC74AC390FN
Dual Decade Counter
Note:
The TC74AC390 is an advanced high speed CMOS DUAL DECADE COUNTER fabricated with silicon gate and double-layer metal wiring C2MOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. It consists of two independent 4-bit counters, each composed of a divide-by-two and a divide-by-five counter. The divide-by-two counter is incremented on the negative going transition of clock A ( CKA ). The divided-by-five counter is incremented on the negative going transition of clock B ( CKB ). The counter can be cascaded to form decade, bi-quinary, or various combinations up to a divide-by-100 counter. When the CLEAR input is set high, the Q outputs are set to low independent of the clock inputs. All inputs are equipped with protection circuits against static discharge or transient excess voltage.
xxxFN (JEDEC SOP) is not available in Japan.
TC74AC390P
TC74AC390F
Features
* * * * High speed: fmax = 160 MHz (typ.) at VCC = 5 V Low power dissipation: ICC = 8 A (max) at Ta = 25C High noise immunity: VNIH = VNIL = 28% VCC (min) Symmetrical output impedance: |IOH| = IOL = 24 mA (min) Capability of driving 50 * * * transmission lines. Balanced propagation delays: tpLH tpHL - Wide operating voltage range: VCC (opr) = 2 to 5.5 V Pin and function compatible with 74HC390 Weight DIP16-P-300-2.54A SOP16-P-300-1.27A SOL16-P-150-1.27 : 1.00 g (typ.) : 0.18 g (typ.) : 0.13 g (typ.)
TC74AC390FN
Pin Assignment
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TC74AC390P/F/FN
IEC Logic Symbol
Block Daigram
Truth Table
Inputs Outputs CLR H L L QA L QB L QC L QD L
CKA
X
CKB
X X
Binary Count Up Quinary Count Up
X
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TC74AC390P/F/FN
System Diagram
Timing Chart
(1) BCD count sequence (Note)
Note:
QA connected to CKB
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(2) Bi-quinary count sequence (Note)
Note:
QD connected to CKA
Absolute Maximum Ratings (Note 1)
Characteristics 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 Symbol VCC VIN VOUT IIK IOK IOUT ICC PD Tstg Rating -0.5 to 7.0 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 20 50 50 200 500 (DIP) (Note 2)/180 (SOP) -65 to 150 Unit V V V mA mA mA mA mW C
Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/Derating Concept and Methods) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 2: 500 mW in the range of Ta = -40 to 65C. From Ta = 65 to 85C a derating factor of -10 mW/C should be applied up to 300 mW.
Operating Ranges (Note)
Characteristics Supply voltage Input voltage Output voltage Operating temperature Input rise and fall time Symbol VCC VIN VOUT Topr dt/dV Rating 2.0 to 5.5 0 to VCC 0 to VCC -40 to 85 0 to 100 (VCC = 3.3 0.3 V) 0 to 20 (VCC = 5 0.5 V) Unit V V V C ns/V
Note:
The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND.
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Electrical Characteristics
DC Characteristics
Test Condition Characteristics Symbol VCC (V) 2.0 High-level input voltage VIH 3.0 5.5 2.0 Low-level input voltage VIL 3.0 5.5 2.0 IOH = -50 A High-level output voltage VOH VIN = VIH or IOH = -4 mA VIL IOH = -24 mA IOH = -75 mA IOL = 50 A Low-level output voltage VOL VIN = VIH or IOL = 12 mA VIL IOL = 24 mA IOL = 75 mA Input leakage current Quiescent supply current IIN ICC VIN = VCC or GND VIN = VCC or GND (Note) (Note) 3.0 4.5 3.0 4.5 5.5 2.0 3.0 4.5 3.0 4.5 5.5 5.5 5.5 Min 1.50 2.10 3.85 1.9 2.9 4.4 2.58 3.94 Ta = 25C Typ. 2.0 3.0 4.5 0.0 0.0 0.0 Max 0.50 0.90 1.65 0.1 0.1 0.1 0.36 0.36 0.1 8.0 Ta = -40 to 85C Min 1.50 2.10 3.85 1.9 2.9 4.4 2.48 3.80 3.85 Max 0.50 0.90 1.65 0.1 0.1 0.1 0.44 0.44 1.65 1.0 80.0 A A V V V V Unit
Note:
This spec indicates the capability of driving 50 transmission lines. One output should be tested at a time for a 10 ms maximum duration.
Timing Requirements (input: tr = tf = 3 ns)
Characteristics Symbol Test Condition VCC (V) Minimum pulse width ( CKA , CKB ) Minimum pulse width (CLR) Minimum removal time tW (H) tW (L) tW (H) 3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5 Ta = 25C Limit 7.0 5.0 7.0 5.0 7.0 3.5 Ta = -40 to 85C Limit 7.0 5.0 7.0 5.0 7.0 3.5 ns Unit
ns
trem
ns
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AC Characteristics (CL = 50 pF, RL = 500 , input: tr = tf = 3 ns)
Characteristics Propagation delay time ( CKA -QA) Symbol Test Condition VCC (V) Min Ta = 25C Typ. Max Ta = -40 to 85C Min Max Unit
tpLH tpHL tpLH tpHL tpLH tpHL tpLH tpHL
3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5 3.3 0.3 5.0 0.5

8.2 5.5 17.0 10.5 8.8 6.0 11.0 7.1 7.7 5.7 120 180 90 140 5 40
14.0 8.4 30.0 17.5 14.9 9.4 18.8 11.3 12.5 8.5

1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 60 100 45 90

16.0 9.6 34.0 20.0 17.0 10.7 21.5 12.8 14.3 9.7

ns
Propagation delay time ( CKA -QC) Propagation delay time ( CKB -QB, QD) Propagation delay time ( CKB -QC) Propagation delay time (CLR-Qn) Maximum clock frequency ( CKA ) Maximum clock frequency ( CKB ) Input capacitance Power dissipation capacitance
QA connected to CKB
ns
ns
ns
tpHL
ns
fmax
60 100 45 90

MHz
fmax CIN CPD (Note)
MHz pF pF
10
10
Note:
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) = CPDVCCfIN + ICC/2 (per counter)
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Package Dimensions
Weight: 1.00 g (typ.)
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Package Dimensions
Weight: 0.18 g (typ.)
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Package Dimensions (Note)
Note: This package is not available in Japan. Weight: 0.13 g (typ.)
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RESTRICTIONS ON PRODUCT USE
* The information contained herein is subject to change without notice.
20070701-EN GENERAL
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk. * The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. * The information contained herein is presented only as a 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 patents or other rights of TOSHIBA or the third parties. * Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations.
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