HD74LVC534 Octal D-type Flip Flops with 3-state Outputs ADE-205-071B(Z) Rev.2 September 1995 Description The HD74LVC534 has eight edge trigger D type flip flops with three state outputs in a 20 pin package. Data at the D inputs meeting set up reguirements, are transferred to the Q outputs on positive going transitions of the clock input. When the latch enable goes low, data at the D inputs will be retained at the outputs until latch enable returns high again. When a high logic level is applied to the output control input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. Low voltage and high speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation. Features • • • • • VCC = 2.0 V to 5.5 V All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C) High output current ±24 mA (@VCC = 3.0 V to 5.5 V) HD74LVC534 Function Table Inputs G CK D Output Q H X X Z L ↑ L H L ↑ H L L L X Q0 H: L: X: Z: ↑: Q0 : High level Low level Immaterial High impedance Low to high transition Level of Q before the indicated steady input conditions were established. Pin Arrangement 20 VCC G 1 1Q 2 G Q 1D 3 CK D CK D 18 8D 2D 4 CK D G Q CK D G Q 17 7D G Q G Q CK D CK D CK D G Q CK D G Q 2Q 5 3Q 6 3D 7 4D 8 4Q 9 GND 10 16 7Q 15 6Q 14 6D 13 5D 12 5Q 11 CK (Top view) 2 19 8Q G Q HD74LVC534 Absolute Maximum Ratings Item Symbol Ratings Unit Supply voltage VCC –0.5 to 6.0 V Input diode current I IK –50 mA Input voltage VI –0.5 to 6.0 V Output diode current I OK –50 mA VO = –0.5 V 50 mA VO = VCC+0.5 V Output voltage VO –0.5 to VCC +0.5 V Output current IO ±50 mA VCC, GND current / pin I CC or IGND 100 mA Storage temperature Tstg –65 to +150 °C Conditions VI = –0.5 V Note: The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. Recommended Operating Conditions Item Symbol Ratings Unit Conditions Supply voltage VCC 1.5 to 5.5 V Data retention 2.0 to 5.5 V At operation VI 0 to 5.5 V G, CK, D VO 0 to V CC V Q Operating temperature Ta –40 to 85 °C Output current I OH –12 mA VCC = 2.7 V –24 mA VCC = 3.0 V to 5.5 V 12 mA VCC = 2.7 V 24 mA VCC = 3.0 V to 5.5 V 10 ns/V Input / output voltage *2 I OL *2 Input rise / fall time *1 t r, t f Notes: 1. This item guarantees maximum limit when one input switches. Waveform : Refer to test circuit of switching characteristics. 2. duty cycle ≤ 50% 3 HD74LVC534 Electrical Characteristics Ta = –40 to 85°C Item Symbol VCC (V) Min Max Unit Test Conditions Input voltage VIH 2.7 to 3.6 2.0 — V 4.5 to 5.5 VCC×0.7 — V 2.7 to 3.6 — 0.8 V 4.5 to 5.5 — VCC×0.3 V 2.7 to 5.5 VCC–0.2 — V I OH = –100 µA 2.7 2.2 — V I OH = –12 mA 3.0 2.4 — V 3.0 2.0 — V 4.5 3.8 — V 2.7 to 5.5 — 0.2 V I OL = 100 µA 2.7 — 0.4 V I OL = 12 mA 3.0 — 0.55 V I OL = 24 mA 4.5 — 0.55 V VIL Output voltage VOH VOL I OH = –24 mA Input current I IN 0 to 5.5 — ±5.0 µA VIN = 5.5 V or GND Off state output current I OZ 5.5 — ±10 µA VIN = VCC, GND VOUT = VCC or GND Quiescent supply current I CC 5.5 — 20 µA VIN = VCC or GND 3.0 to 3.6 — 500 µA VIN = one input at(VCC–0.6)V, other inputs at V CC or GND ∆I CC 4 HD74LVC534 Switching Characteristics Ta = –40 to 85°C Item Symbol VCC (V) Min Typ Max Unit Maximum clock frequency f max 2.7 80.0 — — MHz 3.3±0.3 100.0 150.0 — MHz 5.0±0.5 125.0 — — MHz t PLH 2.7 — 7.0 9.5 ns t PHL 3.3±0.3 1.5 5.5 8.5 ns 5.0±0.5 — 4.0 7.0 ns t ZH 2.7 — 7.0 9.5 ns t ZL 3.3±0.3 1.5 5.5 8.5 ns 5.0±0.5 — 4.0 7.0 ns t HZ 2.7 — 5.0 8.5 ns t LZ 3.3±0.3 1.5 4.5 7.5 ns 5.0±0.5 — 3.5 6.5 ns 2.7 2.0 — — ns 3.3±0.3 2.0 — — ns 5.0±0.5 2.0 — — ns 2.7 1.5 — — ns 3.3±0.3 1.5 — — ns 5.0±0.5 1.5 — — ns 2.7 4.0 — — ns 3.3±0.3 4.0 — — ns 5.0±0.5 3.0 — — ns Propagation delay time Output enable time Output disable time Setup time Hold time Pulse width t su th tw Input capacitance CIN 2.7 — 3.0 — pF Output capacitance CO 2.7 — 15.0 — pF From (Input) To (Output) CK Q G Q G Q 5 HD74LVC534 Test Circuit VCC VCC Output G Zout = 50 Ω Input See Function Table Pulse Generator 500 Ω S1 1Q to 8Q Input CL = 50 pF GND 50 Ω Scope Symbol t PLH / t PHL CK Zout = 50 Ω t su / t h / t w t ZH/ t HZ t ZL / t LZ 1. *1 See under table 450 Ω 1D to 8D Pulse Generator Note: OPEN S1 Vcc=2.7V, 3.3±0.3V Vcc=5.0±0.5V OPEN OPEN GND GND 6V 2×Vcc CL includes probe and jig capacitance. Waveforms – 1 tr tf 10 % tr Input D VIH 90 % 90 % Vref Input CK Vref 10 % tf GND VIH 90 % 90 % 10 % 10 % GND t PLH t PHL VOH Vref Output Q 6 Vref VOL HD74LVC534 Waveforms – 2 tf tr VIH 90 % 90 % Vref Vref Input CK 10 % tw tsu Vref 10 % tw GND th VIH Vref Input D Vref GND Waveforms – 3 tf tr 90 % Vref 10 % Input G VIH 90 % Vref 10 % t ZL GND t LZ ≈V OH1 Vref Waveform - A t ZH Waveform - B VOL + 0.3 V t HZ VOH – 0.3 V Vref VOL VOH ≈V OL1 TEST VIH Vref VOH1 VOL1 Notes: 1. 2. 3. 4. Vcc=2.7V, 3.3±0.3V Vcc=5.0±0.5V 2.7 V Vcc 1.5 V 3V 50%Vcc GND GND Vcc t r = 2.5 ns, tf = 2.5 ns Input waveform : PRR = 10 MHz, duty cycle 50% Waveform – A shows input conditions such that the output is "L" level when enable by the output control. Waveform – B shows input conditions such that the output is "H" level when enable by the output control. 7 Unit: mm 6.50 6.80 Max 11 1 10 4.40 20 0.65 *0.22+0.08 –0.07 0.20 ± 0.06 1.0 0.13 M 6.40 ± 0.20 *Dimension including the plating thickness Base material dimension 0.07 +0.03 –0.04 0.10 *0.17 ± 0.05 0.15 ± 0.04 1.10 Max 0.65 Max 0° – 8° 0.50 ± 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) TTP-20DA — — 0.07 g Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. 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