參數(shù)資料
型號(hào)： SNJ54HCT14WR
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 門(mén)電路
英文描述： HCT SERIES, HEX 1-INPUT INVERT GATE, CDFP14
封裝： CERAMIC, DFP-14
文件頁(yè)數(shù)： 12/21頁(yè)
文件大小： 784K
代理商： SNJ54HCT14WR
SN54HCT14, SN74HCT14
HEX SCHMITT-TRIGGER INVERTERS
SCLS225F JULY 1995 REVISED OCTOBER 2010
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic diagram (positive logic)
AY
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 VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, VO (see Note 1)
0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0 or VI > VCC)
±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
86°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DB package
96°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DGV package
127°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
80°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
113°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 51-7.
recommended operating conditions (see Note 3)
SN54HCT14
SN74HCT14
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
4.5
5.5
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
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.
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