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参数资料
| 型号： | SN54AHCT258J |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, CDIP16 |
| 封装： | CERAMIC, DIP-16 |
| 文件页数： | 3/7页 |
| 文件大小： | 112K |
| 代理商： | SN54AHCT258J |
SN54AHCT258, SN74AHCT258
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCLS344E – MAY 1996 – REVISED OCTOBER 1998
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
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, VO (see Note 1)
–0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0)
–20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0 or VO > VCC)
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO (VO = 0 to VCC)
±25 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND
±50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 2): D package
113
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DB package
131
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DGV package
180
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
78
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
149
°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 voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
recommended operating conditions (see Note 3)
SN54AHCT258
SN74AHCT258
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
5.5
0
5.5
V
VO
Output voltage
0
VCC
0
VCC
V
IOH
High-level output current
–8
mA
IOL
Low-level output current
8
mA
t/v
Input transition rise or fall time
20
ns/V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
PRODUCT
PREVIEW
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