HD74LV373A Octal D-type Transparent Latches with 3-state Outputs ADE-205-274 (Z) 1st Edition April 1999 Description The HD74LV373A has eight D type latches with three state outputs in a 20 pin package. When the latch enables input is high, the Q outputs will follow the D inputs. When the latch enables 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 for the battery-powered products (e.g., notebook computers), and the low-power consumption extends the battery life. Features • • • • • • VCC = 2.0 V to 5.5 V operation All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VO (Max.) = 5.5 V (@VCC = 0 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C) Output current ±8 mA (@VCC = 3.0 V to 3.6 V), ±16 mA (@VCC = 4.5 V to 5.5 V) Function Table Inputs OE LE D Output Q H X X Z L H L L L H H H L X Q0 L Note: H: L: X: Z: Q0 : High level Low level Immaterial High impedance Output level before the indicated steady state input conditions were established. HD74LV373A Pin Arrangement OE 1 20 VCC 1Q 2 19 8Q 1D 3 18 8D 2D 4 17 7D 2Q 5 16 7Q 3Q 6 15 6Q 3D 7 14 6D 4D 8 13 5D 4Q 9 12 5Q GND 10 11 LE (Top view) 2 HD74LV373A Absolute Maximum Ratings Item Supply voltage range Input voltage range* 1 Output voltage range* 1, 2 Symbol Ratings Unit VCC –0.5 to 7.0 V VI –0.5 to 7.0 V VO –0.5 to VCC + 0.5 V –0.5 to 7.0 Conditions Output: H or L VCC: OFF or Output: Z Input clamp current I IK –20 mA VI < 0 Output clamp current I OK ±50 mA VO < 0 or VO > VCC Continuous output current IO ±35 mA VO = 0 to VCC Continuous current through VCC or GND I CC or IGND ±70 mA Maximum power dissipation at Ta = 25°C (in still air)*3 PT 835 mW 757 Storage temperature Tstg –65 to 150 SOP TSSOP °C Notes: 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. 1. The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. This value is limited to 5.5 V maximum. 3. The maximum package power dissipation was calculated using a junction temperature of 150°C. 3 HD74LV373A Recommended Operating Conditions Item Symbol Min Max Unit Supply voltage range VCC 2.0 5.5 V Input voltage range VI 0 5.5 V Output voltage range VO 0 VCC V 0 5.5 — –50 µA VCC = 2.0 V — –2 mA VCC = 2.3 to 2.7 V — –8 VCC = 3.0 to 3.6 V — –16 VCC = 4.5 to 5.5 V — 50 µA VCC = 2.0 V — 2 mA VCC = 2.3 to 2.7 V — 8 VCC = 3.0 to 3.6 V — 16 VCC = 4.5 to 5.5 V 0 200 0 100 VCC = 3.0 to 3.6 V 0 20 VCC = 4.5 to 5.5 V –40 85 Output current I OH I OL ∆t /∆v Input transition rise or fall rate Operating free-air temperature Ta H or L High impedance state ns/V °C Note: Unused or floating inputs must be held high or low. Logic Diagram OE LE 1 11 C1 1D 3 1D To Seven Other Channels 4 Conditions 2 1Q VCC = 2.3 to 2.7 V HD74LV373A DC Electrical Characteristics • Ta = –40 to 85°C Item Symbol VCC (V)* Min Typ Max Unit Input voltage VIH 2.0 1.5 — — V 2.3 to 2.7 VCC × 0.7 — — 3.0 to 3.6 VCC × 0.7 — — 4.5 to 5.5 VCC × 0.7 — — 2.0 — — 0.5 2.3 to 2.7 — — VCC × 0.3 3.0 to 3.6 — — VCC × 0.3 4.5 to 5.5 — — VCC × 0.3 Min to Max VCC – 0.1 — — 2.3 2.0 — — IOH = –2 mA 3.0 2.48 — — IOH = –8 mA 4.5 3.8 — — IOH = –16 mA Min to Max — — 0.1 IOL = 50 µA 2.3 — — 0.4 IOL = 2 mA 3.0 — — 0.44 IOL = 8 mA 4.5 — — 0.55 IOL = 16 mA VIL Output voltage VOH VOL V Test Conditions IOH = –50 µA Input current IIN 0 to 5.5 — — ±1 µA VIN = 5.5 V or GND Off-state output current IOZ 5.5 — — ±5 µA VO = VCC or GND Quiescent supply current ICC 5.5 — — 20 µA VIN = VCC or GND, IO = 0 Output leakage current IOFF 0 — — 5 µA VI or VO = 0 to 5.5 V Input capacitance CIN 3.3 — 2.9 — pF VI = VCC or GND Note: For conditions shown as Min or Max, use the appropriate values under recommended operating conditions. 5 HD74LV373A Switching Characteristics • VCC = 2.5 ± 0.2 V Ta = 25°C Ta = –40 to 85°C Item Symbol Min Typ Max Min Max Unit Test Conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL — 8.3 15.2 1.0 17.0 ns CL = 15 pF D Q — 9.1 15.7 1.0 19.0 — 10.4 18.0 1.0 21.0 — 11.1 18.6 1.0 22.0 LE CL = 50 pF D LE CL = 15 pF Q OE Q tZH — 8.9 15.8 1.0 19.0 time tZL — 10.9 18.8 1.0 22.0 Disable tHZ — 6.2 12.6 1.0 15.0 time tLZ — 8.3 17.4 1.0 19.0 Setup time tSU 4.5 — — 5.0 — ns Data before LE ↓ Hold time th 1.5 — — 1.5 — ns Data after LE ↓ Pulse width tw 6.0 — — 6.5 — ns LE "H" 6 ns OE Enable CL = 50 pF ns CL = 15 pF CL = 50 pF HD74LV373A Switching Characteristics (cont) • VCC = 3.3 ± 0.3 V Ta = 25°C Ta = –40 to 85°C Item Symbol Min Typ Max Min Max Unit Test Conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL — 5.8 11.4 1.0 13.5 ns CL = 15 pF D Q — 6.4 11.0 1.0 13.0 — 7.3 14.9 1.0 17.0 — 7.8 14.5 1.0 16.5 LE CL = 50 pF D LE ns CL = 15 pF OE Q OE Q Enable tZH — 6.3 11.4 1.0 13.5 time tZL — 7.7 14.9 1.0 17.0 Disable tHZ — 4.7 10.0 1.0 12.0 time tLZ — 6.0 13.2 1.0 15.0 Setup time tSU 4.0 — — 4.0 — ns Data before LE ↓ Hold time th 1.0 — — 1.0 — ns Data after LE ↓ Pulse width tw 5.0 — — 5.0 — ns LE "H" CL = 50 pF ns CL = 15 pF CL = 50 pF 7 HD74LV373A Switching Characteristics (cont) • VCC = 5.0 ± 0.5 V Ta = 25°C Ta = –40 to 85°C Item Symbol Min Typ Max Min Max Unit Test Conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL — 4.1 7.2 1.0 8.5 ns CL = 15 pF D Q — 4.5 7.2 1.0 8.5 — 5.1 9.2 1.0 10.5 — 5.5 9.2 1.0 10.5 LE CL = 50 pF D LE CL = 15 pF Q OE Q tZH — 4.5 8.1 1.0 9.5 time tZL — 5.5 10.1 1.0 11.5 Disable tHZ — 3.3 7.2 1.0 8.5 time tLZ — 4.0 9.2 1.0 10.5 Setup time tSU 4.0 — — 4.0 — ns Data before LE ↓ Hold time th 1.0 — — 1.0 — ns Data after LE ↓ Pulse width tw 5.0 — — 5.0 — ns LE "H" 8 ns OE Enable CL = 50 pF ns CL = 15 pF CL = 50 pF HD74LV373A Output-skew Characteristics • CL = 50 pF Ta = 25°C Ta = –40 to 85°C Item Symbol VCC = (V) Min Max Min Max Unit Output skew t sk (O) 2.3 to 2.7 — 2.0 — 2.0 ns 3.0 to 3.6 — 1.5 — 1.5 4.5 to 5.5 — 1.0 — 1.0 Note: Skew between any outputs of the same package switching in the same direction. This parameter is warranted but not production tested. Operating Characteristics • CL = 50 pF Ta = 25°C Item Symbol VCC = (V) Min Typ Max Unit Test Conditions Power dissipation capacitance CPD 3.3 — 16.6 — pF f = 10 MHz 5.0 — 18.2 — Test Conditions Noise Characteristics • CL = 50 pF Ta = 25°C Item Symbol VCC = (V) Min Typ Max Unit Quiet output, maximum dynamic VOL VOL (P) 3.3 — 0.6 0.8 V Quiet output, minimum dynamic VOL VOL (V) 3.3 — –0.6 –0.8 Quiet output, minimum dynamic VOH VOH (V) 3.3 — 2.9 — High-level dynamic input voltage VIH (D) 3.3 2.31 — — Low-level dynamic input voltage VIL (D) 3.3 — — 0.99 9 HD74LV373A Test Circuit Output 1 kΩ S2 OPEN GND CL VCC TEST t PLH /t PHL S2 OPEN t ZH/t HZ t ZL /t LZ GND VCC Note: C L includes the probe and jig capacitance. 10 HD74LV373A • Waveform – 1 tr tf VCC 90% 90% 50%VCC Input LE Vref 10% tr 10% tf VCC 90% 90% Input D GND 10% 10% t PHL t PLH GND VOH Output Q 50%VCC 50%VCC VOL • Waveform – 2 tr VCC 90% Input LE 10% tr Input D 10% GND tf 90% 50%VCC VCC 90% 50%VCC 10% t PLH GND t PHL VOH Vref Output Q Vref VOL • Waveform – 3 tf tr Input LE 10% 90% 90% 50% 50% VCC V tw CC tsu VCC 10% GND th VCC Input D 50%VCC 50%VCC GND 11 HD74LV373A • Waveform – 4 tf Input OE tr 90% 50%VCC 10% t ZL VCC 90% 50%VCC 10% t LZ GND VCC Waveform – A 50%VCC t ZH Waveform – B 50%VCC VOL + 0.3 V t HZ VOH – 0.3 V VOL VOH OV Notes: 1. tr ≤ 3 ns, tf ≤ 3 ns 2. Input waveform: PRR ≤ 1 MHZ, duty cycle 50% 3. Waveform-A is for an output with internal conditions such that the output is low except when disabled by the output control. 4. Waveform-B is for an output with internal conditions such that the output is high except when disabled by the output control. 12 HD74LV373A Package Dimensions 12.6 13 Max 11 1 10 1.27 0.42 ± 0.08 0.40 ± 0.06 0.10 ± 0.10 0.80 Max 0.22 ± 0.05 0.20 ± 0.04 2.20 Max 5.5 20 0.20 7.80 +– 0.30 1.15 0° – 8° 0.70 ± 0.20 0.15 0.12 M Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-20DA — Conforms 0.31 g 13 HD74LV373A Unit: mm 12.8 13.2 Max 11 1 10 0.20 ± 0.10 0.935 Max 1.27 *0.42 ± 0.08 0.40 ± 0.06 0.25 10.40 +– 0.40 1.45 0° – 8° 0.57 0.70 +– 0.30 0.15 0.12 M *Dimension including the plating thickness Base material dimension 14 *0.27 ± 0.05 0.25 ± 0.04 2.65 Max 7.50 20 Hitachi Code JEDEC EIAJ Weight (reference value) FP-20DB Conforms — 0.52 g HD74LV373A 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 15 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. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. 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