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參數(shù)資料
| 型號： | HEF4894BP |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 12-stage shift-and-store register LED driver |
| 封裝： | HEF4894BP<SOT146-1 (DIP20)|<<http://www.nxp.com/packages/SOT146-1.html<1<Always Pb-free,;HEF4894BT<SOT163-1 (SO20)|<<http://www.nxp.com/packages/SOT163-1.html<1<wee |
| 文件頁數(shù)： | 4/19頁 |
| 文件大小： | 506K |
| 代理商： | HEF4894BP |
HEF4894B
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 7 — 13 August 2010
4 of 19
NXP Semiconductors
HEF4894B
12-stage shift-and-store register LED driver
6.2 Pin description
Table 2.
Symbol
D
QP0 to QP11
QS1
QS2
CP
STR
OE
V
DD
V
SS
7. Functional description
Table 3.
At the positive clock edge the information in the 10
th
register stage is transferred to the 11
th
register stage and the QS output
Control
Input
CP
OE
STR
D
↑
L
X
X
↓
L
X
X
↑
H
L
X
↑
H
H
L
↑
H
H
H
↓
H
H
H
[1]
H = HIGH voltage level; L = LOW voltage level; X = don’t care;
↑
= LOW-to-HIGH clock transition;
↓
= HIGH-to-LOW clock transition;
Z = high-impedance OFF-state.
[2]
Q10S = the data in register stage 10 before the LOW to HIGH clock transition.
[3]
Q11S = the data in register stage 11 before the HIGH to LOW clock transition.
Pin description
Pin
2
4, 5, 6, 7, 8, 9, 18, 17, 16, 15, 14, 13
11
12
3
1
19
20
10
Description
serial input
parallel output
serial output
serial output
clock input
strobe input
output enable input
supply voltage
ground (0 V)
Function table
[1]
Parallel output
QP0
Z
Z
no change
Z
L
no change
Serial output
QS1
[2]
Q10S
no change
Q10S
Q10S
Q10S
no change
QPn
Z
Z
no change
QPn
1
QPn
1
no change
QS2
[3]
no change
Q11S
no change
no change
no change
Q11S
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HEF4894BP,112 | 功能描述:LED照明驅(qū)動器 12-ST SHIFT REGISTER W/ LED DRIVER RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| HEF4894BT | 制造商:NXP Semiconductors 功能描述:Bulk |
| HEF4894BT,112 | 功能描述:LED照明驅(qū)動器 12-ST SHIFT REGISTER RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| HEF4894BT,118 | 功能描述:LED照明驅(qū)動器 12-STAGE SHIFT STORE REG/LED RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| HEF4894BT/Q100,118 | 制造商:NXP Semiconductors 功能描述:HEF4894BT/SO20/REEL13//Q100 - Tape and Reel 制造商:NXP Semiconductors 功能描述:IC SHIFT REGISTER 12STAGE 20SOIC 制造商:NXP Semiconductors 功能描述:Counter Shift Registers 12stage shift-and store rgstr LED drvr |
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