参数资料
型号: 74AHC241PW,118
厂商: NXP Semiconductors
文件页数: 9/15页
文件大小: 0K
描述: IC BUFFER/LINEDVR 3ST TSSOP20
标准包装: 1
系列: 74AHC
逻辑类型: 缓冲器/线路驱动器,非反相
元件数: 2
每个元件的位元数: 4
输出电流高,低: 8mA,8mA
电源电压: 2 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 标准包装
其它名称: 568-5240-6
74AHC_AHCT241_1
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 — 11 January 2010
3 of 15
NXP Semiconductors
74AHC241; 74AHCT241
Octal buffer/line driver; 3-state
5.2 Pin description
6.
Functional description
[1]
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7.
Limiting values
[1]
The minimum input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2]
For SO20 package: above 70
°C the value of P
tot derates linearly with 8.0 mW/K.
For TSSOP20 package: above 60
°C the value of P
tot derates linearly with 5.5 mW/K.
For DHVQFN20 package: above 60
°C the value of P
tot derates linearly with 4.5 mW/K.
Table 2.
Pin description
Symbol
Pin
Description
1OE
1
output enable input (active LOW)
2OE
19
output enable input (active HIGH)
1A0, 1A1, 1A2, 1A3
2, 4, 6, 8
data input
2A0, 2A1, 2A2, 2A3
17, 15, 13, 11
data input
1Y0, 1Y1, 1Y2, 1Y3
18, 16, 14, 12
data output
2Y0, 2Y1, 2Y2, 2Y3
3, 5, 7, 9
data output
GND
10
ground (0 V)
VCC
20
power supply
Table 3.
Function table[1]
Input
Output
Input
Output
1OE
1An
1Yn
2OE
2An
2Yn
L
H
L
H
X
Z
L
X
Z
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
0.5
+7.0
V
VI
input voltage
0.5
+7.0
V
IIK
input clamping current
VI < 0.5 V
20
-
mA
IOK
output clamping current
VO < 0.5 V or VO > VCC + 0.5 V
±20
mA
IO
output current
VO = 0.5 V to (VCC + 0.5 V)
-
±25
mA
ICC
supply current
-
75
mA
IGND
ground current
75
-
mA
Tstg
storage temperature
65
+150
°C
Ptot
total power dissipation
Tamb = 40 °C to +125 °C
500
mW
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