參數(shù)資料
型號: MC74ACT299DTR2
廠商: ON SEMICONDUCTOR
元件分類: 計數(shù)移位寄存器
英文描述: ACT SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO20
封裝: TSSOP-20
文件頁數(shù): 1/9頁
文件大小: 532K
代理商: MC74ACT299DTR2
Semiconductor Components Industries, LLC, 2001
May, 2001 – Rev. 5
222
Publication Order Number:
MC74AC299/D
MC74AC299, MC74ACT299
8-Input Universal Shift/
Storage Register with
Common Parallel I/O Pins
The MC74AC299/74ACT299 is an 8–bit universal shift/storage
register with 3–state outputs. Four modes of operation are possible:
hold (store), shift left, shift right and load data. The parallel load inputs
and flip–flop outputs are multiplexed to reduce the total number of
package pins. Additional outputs are provided for flip–flops Q0, Q7 to
allow easy serial cascading. A separate active LOW Master Reset is
used to reset the register.
Common Parallel I/O for Reduced Pin Count
Additional Serial Inputs and Outputs for Expansion
Four Operating Modes: Shift Left, Shift Right, Load and Store
3–State Outputs for Bus–Oriented Applications
Outputs Source/Sink 24 mA
′ACT299 Has TTL Compatible Inputs
Figure 1. Pinout: 20–Lead Packages Conductors
(Top View)
19
20
18
17
16
15
14
2
13
4567
VCC
13
8
12
9
11
10
S1 DS7 Q7 I/O7 I/O5 I/O3 I/O1 CP DS0
S0 OE1 OE2 I/O6 I/O4 I/O2 I/O0 Q0
MR GND
PIN ASSIGNMENT
PIN
FUNCTION
CP
Clock Pulse Input
DS0
Serial Data Input for Right Shift
DS7
Serial Data Input for Left Shift
S0, S1
Mode Select Inputs
MR
Asynchronous Master Reset
OE1, OE2
3–State Output Enable Inputs
I/O0–I/O7
Parallel Data Inputs or 3–State Parallel Outputs
Q0, Q7
Serial Outputs
http://onsemi.com
1
20
PDIP–20
N SUFFIX
CASE 738
1
20
1
20
SO–20
DW SUFFIX
CASE 751
TSSOP–20
DT SUFFIX
CASE 948E
Device
Package
Shipping
ORDERING INFORMATION
MC74AC299N
PDIP–20
18 Units/Rail
MC74ACT299N
PDIP–20
18 Units/Rail
MC74AC299DW
SOIC–20
38 Units/Rail
MC74AC299DWR2
SOIC–20
1000 Tape & Reel
MC74ACT299DW
SOIC–20
38 Units/Rail
MC74ACT299DWR2
SOIC–20
1000 Tape & Reel
MC74AC299DT
TSSOP–20
75 Units/Rail
MC74AC299DTR2
TSSOP–20
2500 Tape & Reel
MC74ACT299DT
TSSOP–20
75 Units/Rail
MC74ACT299DTR2
TSSOP–20
2500 Tape & Reel
See general marking information in the device marking
section on page 230 of this data sheet.
DEVICE MARKING INFORMATION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC74ACT299DW 功能描述:計數(shù)器移位寄存器 4.5-5.5V 8-Input RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
MC74ACT299DWG 功能描述:計數(shù)器移位寄存器 4.5-5.5V 8-Input Universal Shift RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
MC74ACT299DWR2 功能描述:計數(shù)器移位寄存器 4.5-5.5V 8-Input RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
MC74ACT299DWR2G 功能描述:計數(shù)器移位寄存器 4.5-5.5V 8-Input Universal Shift RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
MC74ACT299N 功能描述:計數(shù)器移位寄存器 4.5-5.5V 8-Input RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel