Hex Buffer/Driver with 3-State Output
HD74AC365/HD74ACT365
Hex Buffer/Driver with 3-State Output
Features
• 3-State Outputs Drive Bus Lines or Buffer Memory ...
Description
HD74AC365/HD74ACT365
Hex Buffer/Driver with 3-State Output
Features
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers Outputs Source/Sink 24 mA HD74ACT365 has TTL-Compatible Inputs
Pin Arrangement
OE1 I O I O I O GND
1 2 3 4 5 6 7 8 (Top view)
16 VCC 15 OE2 14 I 13 O 12 I 11 O 10 I 9 O
HD74AC365/HD74ACT365
Logic Symbol
OE1 OE2
I
O
Pin Names
OE1, OE2 I O 3-State Output: Enable Input (Active Low) Inputs Outputs
Truth Table
Inputs OE1 L L X H H L X Z : : : : OE2 L L H X High Voltage Level Low Voltage Level Immaterial High Impedance I L H X X Output O L H Z Z
DC Characteristics (unless otherwise specified)
Item Maximum quiescent supply current Maximum quiescent supply current Maximum ICC/input (HD74ACT365) Symbol I CC I CC I CCT Max 80 8.0 1.5 Unit µA µA mA Condition VIN = VCC or ground, VCC = 5.5 V, Ta = Worst case VIN = VCC or ground, VCC = 5.5 V, Ta = 25°C VIN = VCC – 2.1 V, VCC = 5.5 V, Ta = Worst case
2
HD74AC365/HD74ACT365
AC Characteristics: HD74AC365
Ta = +25°C CL = 50 pF Item Propagation delay Symbol t PLH VCC (V)*1 3.3 5.0 Propagation delay t PHL 3.3 5.0 Enable time t PZH 3.3 5.0 Enable time t PZL 3.3 5.0 Disable time t PHZ 3.3 5.0 Disable time t PLZ 3.3 5.0 Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V Voltage Range 5.0 is 5.0 V ± 0.5 V Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Typ 7.0 5.0 7.0 5.0 9.0 7.0 10.0 8.0 9.5 7.5 9.0 7.0 Max 9.0 7.0 9.0 7.0 12.5 9.0 12.5 10.0 12.0 10.0 12.5 10.0 Ta = –40°C to +85°C CL = 50 pF Min 1.0...
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