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參數(shù)資料
| 型號(hào)： | SN74ACT2235PAG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Low Voltage Octal Noninverting Buffer, 3 State; Package: SOIC-20 WB; No of Pins: 20; Container: Tape and Reel; Qty per Container: 1000 |
| 中文描述： | 1024】9】2異步雙向先入先出存儲(chǔ)器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 176K |
| 代理商： | SN74ACT2235PAG |
SN74ACT2235
1024
×
9
×
2
ASYNCHRONOUS BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
SCAS148E – DECEMBER 1990 – REVISED APRIL 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Independent Asynchronous Inputs and
Outputs
Low-Power Advanced CMOS Technology
Bidirectional
Dual 1024 by 9 Bits
Programmable Almost-Full/Almost-Empty
Flag
Empty, Full, and Half-Full Flags
Access Times of 25 ns With a 50-pF Load
Data Rates up to 50 MHz
Fall-Through Times of 22 ns Maximum
High Output Drive for Direct Bus Interface
Package Options Include 44-Pin Plastic
Leaded Chip Carriers (FN) and 64-Pin Thin
Quad Flat (PAG, PM) Packages
description
A FIFO memory is a storage device that allows data to be written into and read from its array at independent
data rates. The SN74ACT2235 is arranged as two 1024 by 9-bit FIFOs for high speed and fast access times.
It processes data at rates up to 50 MHz, with access times of 25 ns in a bit-parallel format.
The SN74ACT2235 consists of bus-transceiver circuits, two 1024
×
9 FIFOs, and control circuitry arranged for
multiplexed transmission of data directly from the data bus or from the internal FIFO memories. Enable (GAB
and GBA) inputs are provided to control the transceiver functions. The select-control (SAB and SBA) inputs are
provided to select whether real-time or stored data is transferred. The circuitry used for select control eliminates
the typical decoding glitch that occurs in a multiplexer during the transition between stored and real-time data.
Figure 2 shows the eight fundamental bus-management functions that can be performed with the
SN74ACT2235.
For more information on this device family, see the application report, 1K
×
9
×
2 Asynchronous FIFO
SN74ACT2235 literature number SCAA010.
The SN74ACT2235 is characterized for operation from 0
°
C to 70
°
C.
B2
B3
B4
V
CC
B5
B6
B7
B8
GND
AF/AEB
HFB
39
38
37
36
35
34
33
32
31
30
29
1819
7
8
9
10
11
12
13
14
15
16
17
A3
A4
V
CC
A5
A6
A7
A8
GND
AF/AEA
HFA
LDCKA
20 21 22 23
FN PACKAGE
(TOP VIEW)
G
G
B
B
5 4
3
2 1
6
44
A
A
A
G
G
S
S
E
U
F
L
F
U
E
D
R
R
D
42 41 40
43
24 25 26 27 28
Copyright
1998, Texas Instruments Incorporated
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.
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.
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PDF描述 |
|---|---|
| SN74ACT2235PM | Low Voltage Octal Noninverting Buffer, 3 State; Package: SOEIAJ-20; No of Pins: 20; Container: Tape and Reel; Qty per Container: 2000 |
| SN74ACT244DB | Low-Voltage CMOS Quad 2-Input Multiplexer; Package: TSSOP-16; No of Pins: 16; Container: Rail; Qty per Container: 96 |
| SN54ACT244FK | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| SN54ACT244J | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ACT2236-20FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74ACT240DBR | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Tri-State Octal RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74ACT240DBRE4 | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74ACT240DBRG4 | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffers/Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74ACT240DW | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal w/ Tri-St Out RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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