64 X 36 X 2 Bidirectional Synchronous FIFO Memory

The SN74ABT3614 !----> is a high-speed, low-power BiCMOS bidirectional clocked FIFO memory. It supports Clock frequencies up to 67 MHz and has read-access times as fast as 10 ns. Two independent 64 36 dual-port SRAM FIFOs in this device Buffer data in opposite directions. Each FIFO has flags to indicate empty and full conditions and two programmable flags, almost full (AF) and almost empty (AE) to indicate when a selected number of words is stored in memory. FIFO data on port B CAN be input and output in 36-bit, 18-bit, and 9-bit formats, with a choice of big- or little-endian configurations. Three modes of byte-order swapping are possible with any bus-size selection. Communication between each port CAN bypass the FIFOs via two 36-bit mailbox Registers Each mailbox Register has a flag to signal when new mail has been stored. Parity is checked passively on each port and CAN be ignored if not desired. Parity generation CAN be selected for data read from each port.
The SN74ABT3614 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 controlled by a synchronous Interface
The full flag and almost-full flag of a FIFO are two-stage synchronized to the port Clock that writes data to its array. The empty flag and almost-empty flag of a FIFO are two-stage synchronized to the port Clock that reads data from its array.
The SN74ABT3614 is characterized for operation from 0C to 70C.
For more information on this device family, see the following application reports: FIFO Mailbox-Bypass Registers: Using Bypass Registers to Initialize DMA Control (literature number SCAA007) Advanced Bus-Matching/Byte-Swapping Features for Internetworking FIFO Applications (literature number SCAA014) Parity-Generate and Parity-Check Features for High-Bandwidth-Computing FIFO Applications (literature number SCAA015) Internetworking the SN74ABT3614 (literature number SCAA015) Metastability Performance of Clocked FIFOs (literature number SCZA004)
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74ABT3614-20PCBR Texas Instruments 64X36 BI-DIRECTIONAL FIFO, 12ns, PQFP120, GREEN, PLASTIC, HLQFP-120
SN74ABT3614-30PCBR Texas Instruments 64X36 BI-DIRECTIONAL FIFO, 15ns, PQFP120, GREEN, PLASTIC, HLQFP-120
SN74ABT3614-30PQ Texas Instruments 64 x 36 x 2 bidirectional synchronous FIFO memory 132-BQFP 0 to 70
SN74ABT3614-20PQR Texas Instruments 64X36 BI-DIRECTIONAL FIFO, 12ns, PQFP132, GREEN, PLASTIC, BQFP-132
SN74ABT3614-15PQ Texas Instruments 64 x 36 x 2 bidirectional synchronous FIFO memory 132-BQFP 0 to 70
SN74ABT3614-15PCB Texas Instruments 64 x 36 x 2 bidirectional synchronous FIFO memory 120-HLQFP 0 to 70
SN74ABT3614-15PQR Texas Instruments 64X36 BI-DIRECTIONAL FIFO, 10ns, PQFP132, GREEN, PLASTIC, BQFP-132
SN74ABT3614-15PCBR Texas Instruments 64X36 BI-DIRECTIONAL FIFO, 10ns, PQFP120, GREEN, PLASTIC, HLQFP-120
SN74ABT3614-30PQR Texas Instruments 64X36 BI-DIRECTIONAL FIFO, 15ns, PQFP132, GREEN, PLASTIC, BQFP-132
SN74ABT3614-20PQ Texas Instruments 64X36 BI-DIRECTIONAL FIFO, 12ns, PQFP132, GREEN, PLASTIC, BQFP-132
SN74ABT3614 's PackagesSN74ABT3614 's pdf datasheet
1O3614-30PQG4 BQFP
SN74ABT3614-15PCB HLQFP
SN74ABT3614-15PQ BQFP
SN74ABT3614-20PCB HLQFP
SN74ABT3614-20PQ BQFP
SN74ABT3614-30PCB HLQFP
SN74ABT3614-30PQ BQFP




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