Datasheet > SN74ACT7807-15PMR

SN74ACT7807-15PMR

更新时间： 2024-11-16 15:52:03

品牌	Logo	应用领域
德州仪器 - TI		先进先出芯片
页数	文件大小	规格书
20页	295K
描述
2KX9 OTHER FIFO, 12ns, PQFP64, PLASTIC, LQFP-64

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SN74ACT7807-15PMR 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	LFQFP,	针数：	64
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.32.00.71	风险等级：	5.76
最长访问时间：	12 ns	周期时间：	15 ns
JESD-30 代码：	S-PQFP-G64	长度：	10 mm
内存密度：	18432 bit	内存宽度：	9
功能数量：	1	端子数量：	64
字数：	2048 words	字数代码：	2000
工作模式：	SYNCHRONOUS	最高工作温度：	70 °C
最低工作温度：		组织：	2KX9
输出特性：	3-STATE	可输出：	YES
封装主体材料：	PLASTIC/EPOXY	封装代码：	LFQFP
封装形状：	SQUARE	封装形式：	FLATPACK, LOW PROFILE, FINE PITCH
并行/串行：	PARALLEL	认证状态：	Not Qualified
座面最大高度：	1.6 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	4.5 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
宽度：	10 mm	Base Number Matches：	1

SN74ACT7807-15PMR 数据手册

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SN74ACT7807

2048 × 9

CLOCKED FIRST-IN, FIRST-OUT MEMORY

SCAS200D – JANUARY 1991 – REVISED APRIL 1998

Free-Running Read and Write Clocks Can

Be Asynchronous or Coincident

Input-Ready, Output-Ready, and Half-Full

Flags

Read and Write Operations Synchronized

to Independent System Clocks

Cascadable in Word Width and/or Word

Depth

Input-Ready Flag Synchronized to Write

Clock

Fast Access Times of 12 ns With a 50-pF

Load

Output-Ready Flag Synchronized to Read

Clock

Data Rates up to 67 MHz

3-State Outputs

2048 Words by 9 Bits

Package Options Include 44-Pin Plastic

Leaded Chip Carrier (FN) and 64-Pin Thin

Quad Flat (PAG, PM) Packages

Low-Power Advanced CMOS Technology

Programmable Almost-Full/Almost-Empty

Flag

description

The SN74ACT7807 is a 2048-word by 9-bit FIFO with high speed and fast access times. It processes data at

rates up to 67 MHz and access times of 12 ns in a bit-parallel format. Data outputs are noninverting with respect

to the data inputs. Expansion is easily accomplished in both word width and word depth.

The write-clock (WRTCLK) and read-clock (RDCLK) inputs should be free running and can be asynchronous

or coincident. Data is written to memory on the rising edge of WRTCLK when the write-enable (WRTEN1/DP9,

WRTEN2) inputs are high and the input-ready (IR) flag output is high. Data is read from memory on the rising

edge of RDCLK when the read-enable (RDEN1, RDEN2) and output-enable (OE) inputs are high and the

output-ready (OR) flag output is high. The first word written to memory is clocked through to the output buffer

regardless of the levels on RDEN1, RDEN2, and OE. The OR flag indicates that valid data is present on the

output buffer.

The FIFO can be reset asynchronous to WRTCLK and RDCLK. RESET must be asserted while at least four

WRTCLK and four RDCLK cycles occur to clear the synchronizing registers. Resetting the FIFO initializes the

IR, OR, and half-full (HF) flags low and the almost-full/almost-empty (AF/AE) flag high. The FIFO must be reset

upon power up.

The SN74ACT7807 is characterized for operation from 0°C to 70°C.

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...20

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与SN74ACT7807-15PMR相关器件

型号	品牌	获取价格	描述	数据表
SN74ACT7807-20FN	TI	获取价格	2048 x 9 synchronous FIFO memory 44-PLCC 0 to 70
SN74ACT7807-20FN	ROCHESTER	获取价格	2KX9 OTHER FIFO, 13ns, PQCC44, ROHS COMPLIANT, PLASTIC, LCC-44
SN74ACT7807-20PAG	TI	获取价格	2048 x 9 synchronous FIFO memory 64-TQFP 0 to 70
SN74ACT7807-20PAG	ROCHESTER	获取价格	2KX9 OTHER FIFO, 13ns, PQFP64, GREEN, PLASTIC, TQFP-64
SN74ACT7807-20PMR	TI	获取价格	2KX9 OTHER FIFO, 13ns, PQFP64, PLASTIC, LQFP-64
SN74ACT7807-25FN	TI	获取价格	2048 x 9 synchronous FIFO memory 44-PLCC 0 to 70
SN74ACT7807-25FN	ROCHESTER	获取价格	2KX9 OTHER FIFO, 18ns, PQCC44, ROHS COMPLIANT, PLASTIC, LCC-44
SN74ACT7807-25PAG	ROCHESTER	获取价格	2KX9 OTHER FIFO, 18ns, PQFP64, GREEN, PLASTIC, TQFP-64
SN74ACT7807-25PAG	TI	获取价格	2K X 9 OTHER FIFO, 18 ns, PQFP64, GREEN, PLASTIC, TQFP-64
SN74ACT7807-25PAGR	TI	获取价格	2K X 9 OTHER FIFO, 18 ns, PQFP64, GREEN, PLASTIC, TQFP-64

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