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參數(shù)資料
| 型號： | 74LVC544 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal D-type registered transceiver, inverting 3-State |
| 中文描述： | 八路?注冊的收發(fā)器類型，反相三態(tài) |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 90K |
| 代理商： | 74LVC544 |
Philips Semiconductors
Octal D-type registered transceiver, inverting
(3-State)
Product specification
74LVC544A
1998 Jul 29
3
PIN DESCRIPTION
PIN NUMBER
SYMBOL
FUNCTION
1
LEBA
‘B’ to ‘A’ latch enable input (active
LOW)
2
OEBA
‘B’ to ‘A’ output enable input (active
LOW)
3, 4, 5, 6,
7, 8, 9, 10
A0–A7
‘A’ data inputs/outputs
11
EBA
‘B’ to ‘A’ enable input (active LOW)
12
GND
Ground (0V)
22, 21, 20, 19,
18, 17, 16, 15
B0–B7
‘B’ data inputs/outputs
13
OEAB
‘A’ to ‘B’ output enable input (active
LOW)
14
LEAB
‘A’ to ‘B’ latch enable input (active
LOW)
23
EAB
‘A’ to ‘B’ enable input (active LOW)
24
VCC
Positive supply voltage
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
LEBA
OEBA
A0
A1
A2
A3
A4
A5
A6
A7
EAB
V
CC
EBA
B0
B1
B2
B3
B4
B6
B5
B7
LEAB
OEAB
GND
SV00733
FUNCTION TABLE
INPUTS
OUTPUTS
STATUS
OEXX
EXX
LEXX
DATA
H
X
X
X
Z
Disabled
X
H
X
X
Z
Disabled
L
L
↑
↑
L
L
h
l
Z
Z
Disabled + Latch
L
L
L
L
↑
↑
h
l
L
H
Latch + Display
L
L
L
L
L
L
H
L
L
H
Transparent
L
L
H
X
NC
Hold
XX
H
L
h
l
X
↑
NC
Z
= AB for A-to-B direction, BA for B-to-A direction
= HIGH voltage level
= LOW voltage level
= HIGH state must be present one set-up time before the LOW-to-HIGH transition of LEAB, LEBA, EAB, EBA
= LOW state must be present one set-up time before the LOW-to-HIGH transition of LEAB, LEBA, EAB, EBA
= Don’t care
= LOW–to–HIGH level transition
= No change
= High impedance OFF-state
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LVC544AD | 功能描述:總線收發(fā)器 OCTAL LATCHED TRANSCEIVER W/DU RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVC544AD,112 | 功能描述:總線收發(fā)器 OCTAL LATCHED RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVC544AD,118 | 功能描述:總線收發(fā)器 OCTAL LATCHED RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVC544ADB | 功能描述:總線收發(fā)器 OCTAL LATCHED TRANSCEIVER W/DU RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVC544ADB,112 | 功能描述:總線收發(fā)器 OCTAL LATCHED RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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