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HD74LVC573A

Hitachi Semiconductor
Part Number HD74LVC573A
Manufacturer Hitachi Semiconductor
Description Octal D-type Transparent Latches with 3-state Outputs
Published Mar 23, 2005
Detailed Description HD74LVC573A Octal D-type Transparent Latches with 3-state Outputs ADE-205-116B(Z) 3rd Edition December 1996 Description...
Datasheet PDF File HD74LVC573A PDF File

HD74LVC573A
HD74LVC573A

Overview
HD74LVC573A Octal D-type Transparent Latches with 3-state Outputs ADE-205-116B(Z) 3rd Edition December 1996 Description The HD74LVC573A has eight D type latches with three state outputs in a 20 pin package.
When the latch enable input is high, the Q outputs will follow 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 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) All outputs VOUT (Max.
) = 5.
5 V (@VCC = 0 V or output off state) 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) Function Table Inputs OC L L L H H: L: X: Z: Q0 : LE H H L X D H L X X Output Q H L Q0 Z High level Low level Immaterial High impedance Level of Q before the indicated steady input conditions were established.
HD74LVC573A Pin Arrangement OC 1 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 GND 10 DQ DQ DQ DQ DQ DQ DQ DQ 20 VCC 19 1Q 18 2Q 17 3Q 16 4Q 15 5Q 14 6Q 13 7Q 12 8Q 11 LE (Top view) 2 HD74LVC573A Absolute Maximum Ratings Item Supply voltage Input diode current Input voltage Output diode current Symbol VCC I IK VI I OK Ratings –0.
5 to 6.
0 –50 –0.
5 to 6.
0 –50 50 Output voltage VO –0.
5 to VCC +0.
5 –0.
5 to 6.
0 Output current VCC, GND current / pin Storage temperature IO I CC or IGND Tstg ±50 100 –65 to +150 Unit V mA V mA mA V V mA mA °C VO = –0.
5 V VO = VCC+0.
5 V Output "H" or "L" Output "Z" or VCC:OFF VI = –0.
5 V Conditions Note: The absolute maximum ...


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