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參數(shù)資料
| 型號： | 74F1244 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal buffer 3-State |
| 中文描述： | 八路緩沖三態(tài) |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 75K |
| 代理商： | 74F1244 |
Philips Semiconductors
Product specification
74F1244
Octal buffer (3-State)
1989 Apr 04
3
LOGIC DIAGRAM
V
=
Pin 20
GND = Pin 10
Ia0
SF00230
OEa
Ia3
Ia2
Ia1
2
4
6
8
1
Ya0
Ya1
Ya2
18
16
14
12
Ib0
Ib1
Ib2
Ib3
OEb
17
15
13
11
19
3
5
7
9
Yb0
Yb1
Yb2
Yb3
FUNCTION TABLE
INPUTS
OUTPUTS
OEa
Ia
OEb
Ib
Ya
Yb
L
L
L
L
L
L
L
H
L
H
H
H
H
X
H
X
Z
Z
H =
L
X =
Z
High voltage level
Low voltage level
Don’t care
High impedance “off” state
=
=
ABSOLUTE MAXIMUM RATINGS
(
Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
Supply voltage
–0.5 to +7.0
V
V
IN
Input voltage
–0.5 to +7.0
V
I
IN
Input current
–30 to +5
mA
V
OUT
Voltage applied to output in High output state
–0.5 to V
CC
V
I
OUT
Current applied to output in Low output state
128
mA
T
amb
Operating free-air temperature range
0 to +70
°
C
T
stg
Storage temperature range
–65 to +150
°
C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
Supply voltage
4.5
5.0
5.5
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
IK
Input clamp current
–18
mA
I
OH
High-level output current
–15
mA
I
OL
Low-level output current
64
mA
T
amb
Operating free-air temperature range
0
+70
°
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F1245 | Octal transceiver 3-State |
| 74F125D | 4-Bit Buffer/Driver |
| 74F125N | 4-Bit Buffer/Driver |
| 74F126D | 4-Bit Buffer/Driver |
| 74F126N | 4-Bit Buffer/Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F1245 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver 3-State |
| 74F125 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Quad Buffer (3-STATE) |
| 74F125AP | 功能描述:固定電感器 12uH 10% RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| 74F125AP-RC | 功能描述:固定電感器 12uH 10% RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| 74F125D | 制造商:NXP Semiconductors 功能描述: 制造商:Freescale Semiconductor 功能描述:Driver/Buffer Device, Single, 4-Bit, 14 Pin, Plastic, SOP 制造商:North American Philips Discrete Products Div 功能描述:Driver/Buffer Device, Single, 4-Bit, 14 Pin, Plastic, SOP 制造商:NXP Semiconductors 功能描述:Driver/Buffer Device, Single, 4-Bit, 14 Pin, Plastic, SOP 制造商:Texas Instruments 功能描述:Driver/Buffer Device, Single, 4-Bit, 14 Pin, Plastic, SOP |
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