SN74ABT32318, SN74ABT32318PN, SN74ABT328 Selling Leads, Datasheet
MFG:TI Package Cooled:TQFP D/C:2005+
SN74ABT32318, SN74ABT32318PN, SN74ABT328 Datasheet download
Part Number: SN74ABT32318
MFG: TI
Package Cooled: TQFP
D/C: 2005+
SN74ABT32318, SN74ABT32318PN, SN74ABT328
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Info of SN74ABT32318
Info of SN74ABT32318PN
Info of SN74ABT328
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About SN74ABT32318
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Datasheet: SN74ABT32318
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About SN7000
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Datasheet: SN7000
File Size: 81454 KB
Manufacturer: SIEMENS [Siemens Semiconductor Group]
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About SN7000
PDF/DataSheet Download
Datasheet: SN7000
File Size: 81454 KB
Manufacturer: SIEMENS [Siemens Semiconductor Group]
Download : Click here to Download
SN74ABT32318 General Description
The 4ABT32318 consists of three 18-bit registered input/output (I/O) ports. These registers combine D-type latches and flip-flops to allow data flow in transparent, latch, and clock modes. Data from one input port can be exchanged to one or more of the other ports. Because of the universal storage element, multiple combinations of real-time and stored data can be exchanged among the three ports.
Data flow in each direction is controlled by the output-enable (OEA, OEB, and OEC), select-control (SELA, SELB, and SELC), latch-enable (LEA, LEB, and LEC), and clock (CLKA, CLKB, and CLKC) inputs. The A data register operates in the transparent mode when LEA is high. When LEA is low, data is latched if CLKA is held at a high or low logic level. If LEA is low, data is stored on the low-to-high transition of CLKA. Output data selection is accomplished by the select-control pins. All three ports have active-low output enables, so when the output-enable input is low, the outputs are active; when the output-enable input is high, the outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN54ABT32318 is characterized for operation over the full military temperature range of 55°C to 125°C. The SN74ABT32318 is characterized for operation from 40°C to 85°C.
SN74ABT32318 Maximum Ratings
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 7 V
Input voltage range, VI (except I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . .. . . . . . . . .0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, VO . . . . . . . . . .0.5 V to 5.5 V
Current into any output in the low state, IO: SN54ABT32318 . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .96 mA
SN74ABT32318 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .50 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . 1.1W
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C
Input voltage range, VI (except I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . .. . . . . . . . .0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, VO . . . . . . . . . .0.5 V to 5.5 V
Current into any output in the low state, IO: SN54ABT32318 . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .96 mA
SN74ABT32318 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .50 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . 1.1W
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C
SN74ABT32318 Features
• Members of the Texas Instruments Widebus+TM Family
• State-of-the-Art EPIC-II BTM BiCMOS Design Significantly Reduces Power Dissipation
• UBETM (Universal Bus Exchanger) Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enabled Mode
• Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
• Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 5 V, TA = 25°C
• Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise
• High-Drive Outputs (32-mA IOH, 64-mA IOL)
• Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
• Packaged in 80-Pin Plastic Thin Quad Flat (PN) Package With 12 * 12-mm Body Using 0.5-mm Lead Pitch
• State-of-the-Art EPIC-II BTM BiCMOS Design Significantly Reduces Power Dissipation
• UBETM (Universal Bus Exchanger) Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enabled Mode
• Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
• Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 5 V, TA = 25°C
• Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise
• High-Drive Outputs (32-mA IOH, 64-mA IOL)
• Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
• Packaged in 80-Pin Plastic Thin Quad Flat (PN) Package With 12 * 12-mm Body Using 0.5-mm Lead Pitch
SN74ABT32318 Connection Diagram
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