参数资料
型号: SN74ABT241APWR
厂商: Texas Instruments
文件页数: 14/20页
文件大小: 0K
描述: IC BUFF/DVR TRI-ST DUAL 20TSSOP
标准包装: 1
系列: 74ABT
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: 32mA,64mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°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
产品目录页面: 924 (CN2011-ZH PDF)
其它名称: 296-3966-6
SN54ABT241, SN74ABT241A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS184D – JANUARY 1991 – REVISED JANUARY 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1)
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high or power-off state, VO
–0.5 V to 5.5 V
. . . . . . . . . . . . . . . . . . .
Current into any output in the low state, IO: SN54ABT241
96 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ABT241A
128 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0)
–18 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0)
–50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 2): DB package
115
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package
97
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
67
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
128
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The package thermal impedance is calculated in accordance with EIA/JEDEC Std JESD51, except for through-hole packages,
which use a trace length of zero.
recommended operating conditions (see Note 3)
SN54ABT241
SN74ABT241A
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
4.5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
VI
Input voltage
0
VCC
0
VCC
V
IOH
High-level output current
–24
–32
mA
IOL
Low-level output current
48
64
mA
t/v
Input transition rise or fall rate
Outputs enabled
5
ns/V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 3: Unused inputs must be held high or low to prevent them from floating.
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