512 × 18 × 2 CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY

A FIFO memory is a storage device that allows data to be written into and read from its array at independent data rates. The SN74ABT7819 is a high-speed, low-power BiCMOS bidirectional clocked FIFO memory. Two independent 512 18 dual-port SRAM FIFOs on the chip Buffer data in opposite directions. Each FIFO has flags to indicate empty and full conditions, a half-full flag, and a programmable almost-full/almost-empty flag. The SN74ABT7819 is a clocked FIFO which means each port employs a synchronous Interface All data transfers through a port are gated to the low-to-high transition of a continuous (free-running) port Clock by enable signals. The continuous Clocks for each port are independent of one another and CAN be asynchronous or coincident. The enables for each port are arranged to provide a simple bidirectional Interface between Microprocessors and/or buses with synchronous control. The state of the A0A17 outputs is controlled by CSA and W/RA. When both CSA and W/RA are low, the outputs are active. The A0A17 outputs are in the high-impedance state when either CSA or W/RA is high. Data is written to FIFOAB from port A on the low-to-high transition of CLKA when CSA is low, W/RA is high, WENA is high, and the IRA flag is high. Data is read from FIFOBA to the A0A17 outputs on the low-to-high transition of CLKA when CSA is low, W/RA is low, RENA is high, and the ORA flag is high. By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74ABT7819-30PHR Texas Instruments 512X18 BI-DIRECTIONAL FIFO, 14ns, PQFP80, PLASTIC, QFP-80
SN74ABT7819-20PNR Texas Instruments 512X18 BI-DIRECTIONAL FIFO, 12ns, PQFP80, PLASTIC, LQFP-80
SN74ABT7819-30PH Texas Instruments 512 x 18 x 2 bidirectional synchronous FIFO memory 80-QFP 0 to 70
SN74ABT7819A-12PH Texas Instruments 512KX18 BI-DIRECTIONAL FIFO, 9ns, PQFP80, PLASTIC, QFP-80
SN74ABT7819-10PN Texas Instruments 512 x 18 x 2 bidirectional synchronous FIFO memory 80-LQFP 0 to 70
SN74ABT7819A-10PN Texas Instruments 512KX18 BI-DIRECTIONAL FIFO, 8ns, PQFP80, GREEN, PLASTIC, LQFP-80
SN74ABT7819-12PNR Texas Instruments 512X18 BI-DIRECTIONAL FIFO, 9ns, PQFP80, PLASTIC, LQFP-80
SN74ABT7819-12PHR Texas Instruments 512X18 BI-DIRECTIONAL FIFO, 9ns, PQFP80, PLASTIC, QFP-80
SN74ABT7819-12PN Texas Instruments 512 x 18 x 2 bidirectional synchronous FIFO memory 80-LQFP 0 to 70
SN74ABT7819A-15PN Texas Instruments 512KX18 BI-DIRECTIONAL FIFO, 10ns, PQFP80, GREEN, PLASTIC, LQFP-80
SN74ABT7819 's PackagesSN74ABT7819 's pdf datasheet



SN74ABT7819 Pinout, Pinouts
SN74ABT7819 pinout,Pin out
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