HD74HCT373/HD74HCT533 Octal D-type Transparent Latches (with 3-state outputs)/ Octal D-type Transparent Latches (with inverted 3-state outputs) ADE-205-555 (Z) 1st. Edition Sep. 2000 Description When the latch enable input is high, the Q outputs of HD74HCT373 will follow the D inputs and the Q outputs of HD74HCT533 will follow the inversion of the D inputs. 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 present at the other inputs and the state of the storage elements. Features • • • • • • LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility High Speed Operation: tpd (Data to Q) = 14 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 4.5 to 5.5 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Output Control Enable G D HD74HCT373 Q HD74HCT533 Q L H H H L L H L L H L L X No change No change H X X Z Z X : Z : Irrelevant Off (high-impedance) state of a 3-state output. HD74HCT373/HD74HCT533 Pin Arrangement HD74HCT373 Output Control 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 Enable G (Top view) HD74HCT533 Output Control 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 Enable G (Top view) 2 HD74HCT373/HD74HCT533 Block Diagram HD74HCT373 2D 1D 3D 6D 7D D D 8D D GQ GQ GQ GQ GQ GQ 5D D D D D 4D D GQ GQ Enable G Output Control 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 7D 8D HD74HCT533 2D 1D 3D GQ 6D D D D GQ GQ GQ GQ GQ 5D D D D D 4D D GQ GQ Enable G Output Control 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 3 HD74HCT373/HD74HCT533 Absolute Maximum Ratings Item Symbol Rating Unit Supply voltage range VCC –0.5 to +7.0 V Input voltage VIN –0.5 to VCC + 0.5 V Output voltage VOUT –0.5 to VCC + 0.5 V DC current drain per pin I OUT ±35 mA DC current drain per VCC, GND I CC, I GND ±75 mA DC input diode current I IK ±20 mA DC output diode current I OK ±20 mA Power dissipation per package PT 500 mW Storage temperature Tstg –65 to +150 °C DC Characteristics Ta = –40 to +85°C Ta = 25°C Test Conditions Item Symbol Min Typ Max Min Max Unit VCC (V) Input voltage VIH 2.0 — — — V 4.5 to 5.5 VIL — — 0.8 — 0.8 V 4.5 to 5.5 VOH 4.4 — — 4.4 — V 4.5 Vin = VIH or VIL I OH = –20 µA 4.18 — — 4.13 — 4.5 I OH = –6 mA — — 0.1 — 0.1 — — 0.26 — 0.33 Output voltage VOL 2.0 V 4.5 Vin = VIH or VIL I OL = 20 µA 4.5 I OL = 6 mA Off-state output current I OZ — — ±0.5 — ±5.0 µA 5.5 Vin = VIH or VIL, Vout = VCC or GND Input current Iin — — ±0.1 — ±1.0 µA 5.5 Vin = VCC or GND Quiescent current I CC — — 4.0 — 40 µA 5.5 Vin = VCC or GND, Iout = 0 µA 4 HD74HCT373/HD74HCT533 AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = –40 to +85°C Ta = 25°C Test Conditions Min Typ Max Min Max Unit VCC (V) Propagation delay t PLH — 13 30 — 38 ns 4.5 time t PHL — 16 30 — 38 t PLH — 14 25 — 31 t PHL — 12 25 — 31 Output enable t ZL — 16 30 — 38 time t ZH — 15 30 — 38 Output disable t LZ — 14 30 — 38 time t HZ — 16 30 — 38 Setup time t su 20 — — 25 — ns 4.5 Data to latch control Hold time th 10 — — 13 — ns 4.5 Latch control to data Pulse width tw 16 — — 20 — ns 4.5 Latch control, output control Output rise/fall time t TLH t THL — 4 12 — 15 ns 4.5 Input capacitance Cin — 5 10 — 10 pF — Item Symbol Latch control to Q 4.5 ns 4.5 Data to Q 4.5 ns 4.5 4.5 ns 4.5 4.5 5 HD74HCT373/HD74HCT533 Package Dimensions Unit: mm 24.50 25.40 Max 1 7.00 Max 11 6.30 20 10 1.30 2.54 ± 0.25 0.48 ± 0.10 0.51 Min 1.27 Max 7.62 2.54 Min 5.08 Max 0.89 + 0.11 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Mass (reference value) DP-20N — Conforms 1.26 g Unit: mm 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 6 Hitachi Code JEDEC EIAJ Mass (reference value) FP-20DA — Conforms 0.31 g HD74HCT373/HD74HCT533 Unit: mm 12.8 13.2 Max 11 1 10 0.20 ± 0.10 0.935 Max *0.27 ± 0.05 0.25 ± 0.04 2.65 Max 7.50 20 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 Hitachi Code JEDEC EIAJ Mass (reference value) *Dimension including the plating thickness Base material dimension FP-20DB Conforms — 0.52 g 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 Mass (reference value) TTP-20DA — — 0.07 g 7 HD74HCT373/HD74HCT533 Cautions 1. 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However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products. Hitachi, Ltd. Semiconductor & Integrated Circuits. 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