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TC74VHCT74AF/AFN/AFT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHCT74AF,TC74VHCT74AFN,TC74VHCT74AFT
Dual D-Type Flip-Flop with Preset and Clear
The TC74VHCT74 is an advanced high speed CMOS D-FLIP FLOP fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The signal level applied to the D INPUT is transferred to Q OUTPUT during the positive going transition of the CK pulse. CLR and PR are independent of the CK and are accomplished by setting the appropriate input low. The input voltage are compatible with TTL output voltage. This device may be used as a level converter for interfacing 3.3 V to 5 V system. Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output (Note) pins without regard to the supply voltage. These structure prevents device destruction due to mismatched supply and input/output voltages such as battery back up, hot board insertion, etc. Note: VCC = 0 V
Note: The JEDEC SOP (FN) is not available in Japan. TC74VHCT74AF
TC74VHCT74AFN
Features
* * * * * * High speed: fmax = 160 MHz (typ.) at VCC = 5 V Low power dissipation: ICC = 2 A (max) at Ta = 25C Compatible with TTL outputs: VIL = 0.8 V (max) VIH = 2.0 V (min) Power down protection is provided on all inputs and outputs Balanced propagation delays: tpLH - tpHL Pin and function compatible with the 74 series (74AC/HC/F/ALS/LS etc.) 74 type.
TC74VHCT74AFT
Weight SOP14-P-300-1.27A SOL14-P-150-1.27 TSSOP14-P-0044-0.65A
: 0.18 g (typ.) : 0.12 g (typ.) : 0.06 g (typ.)
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TC74VHCT74AF/AFN/AFT
Pin Assignment IEC Logic Symbol
1PR 1CK 1D 1CLR 2PR 2CK 2D
2CLR
1CLR
1D 1CK 1PR 1Q
1 2 3 4 5 6 7 (top view) CK Q D Q
CK Q
14 D Q 13 12 11 10 9 8
VCC
2CLR
2D 2CK 2PR 2Q
(4) (3) (2) (1) (10) (11) (12) (13)
S C1 1D R
(5) (6) (9) (8)
1Q
1Q
2Q
2Q
1Q
GND
2Q
Truth Table
Inputs Outputs
CLR
L H L H H H
PR H L L H H H
D X X X L H X
CK X X X
Q L H H L H Qn
Q
H L H H L Qn
Function Clear Preset No Change
X: Don't care
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 7.0 -0.5 to 7.0 -0.5 to VCC + 0.5 -20 20 25 50 180 -65 to 150 (Note 4) (Note 2) (Note 3) 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: VCC = 0 V Note 3: High or low state. IOUT absolute maximum rating must be observed. Note 4: VOUT < GND, VOUT > VCC
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Operating Ranges (Note 1)
Characteristics Supply voltage Input voltage Output voltage Operating temperature Input rise and fall time Symbol VCC VIN VOUT Topr dt/dV Rating 4.5 to 5.5 0 to 5.5 0 to 5.5 0 to VCC -40 to 85 0 to 20 (Note 2) (Note 3) Unit V V V C ns/V
Note 1: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. Note 2: VCC = 0 V Note 3: High or low state
Electrical Characteristics
DC Characteristics
Test Condition Characteristics Symbol VCC (V) 4.5 to 5.5 4.5 to 5.5 4.5 4.5 4.5 4.5 0 to 5.5 5.5 5.5 0 Min 2.0 Ta = 25C Typ. Max Ta = -40 to 85C Min 2.0 Max V Unit
High-level input voltage Low-level input voltage High-level output voltage Low-level output voltage Input leakage current Quiescent supply current Output leakage current
VIH
VIL
IOH = -50 A VIN = VIH or IOH = -8 mA VIL VIN IOL = 50 A = VIH or IOL = 8 mA VIL VIN = 5.5 V or GND VIN = VCC or GND Per input: VIN = 3.4 V Other input: VCC or GND VOUT = 5.5 V
4.40 3.94
4.50 0.0
0.8 0.1 0.36 0.1 2.0 1.35 0.5
4.40 3.80
0.8 0.1 0.44 1.0 20.0 1.50 5.0
V
VOH
V
VOL IIN ICC ICCT IOPD
V
A A mA A
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TC74VHCT74AF/AFN/AFT
Timing Requirements (input: tr = tf = 3 ns)
Characteristics Symbol Test Condition VCC (V) Minimum pulse width (CK) Minimum pulse width ( CLR , PR ) Minimum set-up time Minimum hold time Minimum removal time ( CLR , PR ) tw (L) tw (H) tw (L) ts th trem 5.0 0.5 Ta = 25C Limit 5.0 Ta = -40 to 85C Limit 5.0 ns Unit

5.0 0.5 5.0 0.5 5.0 0.5 5.0 0.5
5.0 5.0 0.0 3.5
5.0 5.0 0.0 3.5
ns ns ns ns
AC Characteristics (input: tr = tf = 3 ns)
Characteristics Propagation delay time (CK-Q, Q ) Propagation delay time ( CLR , PR -Q, Q ) Maximum clock frequency Input capacitance Power dissipation capacitance Symbol Test Condition VCC (V) tpLH tpHL tpLH tpHL fmax CIN CPD 5.0 0.5 CL (pF) 15 50 15 5.0 0.5 50 15 50 Min 100 80 (Note) Ta = 25C Typ. 5.8 6.3 7.6 8.1 160 140 4 24 Max 7.8 8.8 10.4 11.4 10 Ta = -40 to 85C Min 1.0 1.0 1.0 1.0 80 65 Max 9.0 10.0 12.0 13.0 10 ns ns Unit
5.0 0.5
MHz pF pF
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) = CPD*VCC*fIN + ICC/2 (per F/F)
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Package Dimensions
Weight: 0.18 g (typ.)
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TC74VHCT74AF/AFN/AFT
Package Dimensions (Note)
Note:
This package is not available in Japan.
Weight: 0.12 g (typ.)
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TC74VHCT74AF/AFN/AFT
Package Dimensions
Weight: 0.06 g (typ.)
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TC74VHCT74AF/AFN/AFT
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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