Datasheet > SN74ABT3611PQ

SN74ABT3611PQ

更新时间： 2024-11-10 23:06:11

品牌	Logo	应用领域
德州仪器 - TI		存储
页数	文件大小	规格书
26页	368K
描述
64 】 36 CLOCKED FIRST-IN, FIRST-OUT MEMORY

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SN74ABT3611PQ 数据手册

SN74ABT3611

64 × 36

CLOCKED FIRST-IN, FIRST-OUT MEMORY

SCBS127E – JULY 1992 – REVISED APRIL 1998

Free-Running CLKA and CLKB Can Be

Asynchronous or Coincident

Empty Flag and Almost-Empty Flag

Synchronized by CLKB

64 × 36 Clocked FIFO Buffering Data From

Passive Parity Checking on Each Port

Port A to Port B

Parity Generation Can Be Selected for Each

Port

Mailbox-Bypass Register In Each Direction

Programmable Almost-Full and

Almost-Empty Flags

Low-Power Advanced BiCMOS Technology

Supports Clock Frequencies up to 67 MHz

Fast Access Times of 10 ns

Microprocessor Interface Control Logic

Full Flag and Almost-Full Flag

Synchronized by CLKA

Package Options Include 120-Pin Thin

Quad Flat (PCB) and 132-Pin Plastic Quad

Flat (PQ) Packages

description

The SN74ABT3611 is a high-speed, low-power BiCMOS clocked FIFO memory. It supports clock frequencies

up to 67 MHz and has read access times as fast as 10 ns. A 64 × 36 dual-port SRAM FIFO buffers data from

port A to port B. The FIFO has flags to indicate empty and full conditions and two programmable flags (almost

full and almost empty) to indicate when a selected number of words is stored in memory. Communication

between each port takes place through 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.

Paritygenerationcanbeselectedfordatareadfromeachport. Twoormoredevicesareusedinparalleltocreate

wider datapaths.

The SN74ABT3611 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 port clock by enable signals. The 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 full flag (FF) and almost-full (AF) flag of the FIFO are two-stage synchronized to the port clock that writes

data to its array (CLKA). The empty flag (EF) and almost-empty (AE) flag of the FIFO are two-stage

synchronized to the port clock that reads data from its array.

The SN74ABT3611 is characterized for operation from 0°C to 70°C.

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)

Parity-Generate and Parity-Check Features for High-Bandwidth-Computing FIFO Applications

(literature number SCAA015)

Metastability Performance of Clocked FIFOs (literature number SCZA004)

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...26

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与SN74ABT3611PQ相关器件

型号	品牌	获取价格	描述	数据表
SN74ABT3612	TI	获取价格	64 】 36 】 2 CLOCKED BIDIRECTIONAL FIRST-IN, F
SN74ABT3612_15	TI	获取价格	CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
SN74ABT3612-15PCB	TI	获取价格	64 x 36 x 2 bidirectional synchronous FIFO memory 120-HLQFP 0 to 70
SN74ABT3612-15PCBR	TI	获取价格	64X36 BI-DIRECTIONAL FIFO, 10ns, PQFP120, GREEN, PLASTIC, HLQFP-120
SN74ABT3612-15PQ	TI	获取价格	64 x 36 x 2 bidirectional synchronous FIFO memory 132-BQFP 0 to 70
SN74ABT3612-15PQ	ROCHESTER	获取价格	64X36 BI-DIRECTIONAL FIFO, 10ns, PQFP132, GREEN, PLASTIC, BQFP-132
SN74ABT3612-15PQR	TI	获取价格	64X36 BI-DIRECTIONAL FIFO, 10ns, PQFP132, GREEN, PLASTIC, BQFP-132
SN74ABT3612-20PCB	ROCHESTER	获取价格	64 X 36 BI-DIRECTIONAL FIFO, 12 ns, PQFP120, GREEN, PLASTIC, HLQFP-120
SN74ABT3612-20PCBR	TI	获取价格	64X36 BI-DIRECTIONAL FIFO, 12ns, PQFP120, GREEN, PLASTIC, HLQFP-120
SN74ABT3612-20PQ	ROCHESTER	获取价格	64X36 BI-DIRECTIONAL FIFO, 12ns, PQFP132, GREEN, PLASTIC, BQFP-132

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