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CD54HCT373_16 Datasheet, PDF (3/20 Pages) Texas Instruments – OCTAL TRANSPARENT D-TYPE LATCHES
CD54HCT373, CD74HCT373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS453B – FEBRUARY 2001 – REVISED MAY 2003
recommended operating conditions (see Note 3)
TA = 25°C
MIN MAX
TA = –55°C
TO 125°C
MIN MAX
TA = –40°C
TO 85°C
MIN MAX
UNIT
VCC
VIH
VIL
VI
VO
∆t/∆v
Supply voltage
High-level input voltage
Low-level input voltage
Input voltage
Output voltage
Input transition rise or fall rate
4.5 5.5 4.5 5.5 4.5 5.5 V
2
2
2
V
0.8
0.8
0.8 V
VCC
VCC
500
VCC
VCC
500
VCC V
VCC V
500 ns
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.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
MIN MAX
TA = –55°C
TO 125°C
MIN MAX
TA = –40°C
TO 85°C
MIN MAX
UNIT
VOH
VOL
II
IOZ
ICC
∆ICC‡
VI = VIH or VIL
IOH = –20 µA
IOH = –6 mA
4.4
4.5 V
3.98
VI = VIH or VIL
IOL = 20 µA
IOL = 6 mA
0.1
4.5 V
0.26
VI = VCC or 0
5.5 V
±0.1
VO = VCC or 0
5.5 V
±0.5
VI = VCC or 0,
IO = 0
5.5 V
8
One input at VCC – 2.1 V, Other inputs at 0 or VCC
4.5 V to
5.5 V
360
4.4
4.4
V
3.7
3.84
0.1
0.1
V
0.4
0.33
±1
±1 µA
±10
±5 µA
160
80 µA
490
450 µA
Ci
10
10
10 pF
Co
10
10
10 pF
‡ Additional quiescent supply current per input pin, TTL inputs high, 1 unit load. For dual-supply systems, theoretical worst-case
(VI = 2.4 V, VCC = 5.5 V) specification is 1.8 mA.
HCT INPUT LOADING TABLE
INPUT UNIT LOAD
OE
1.5
Any D
0.4
LE
1
Unit load is ∆ICC limit
specified in electrical
characteristics table (e.g.,
360 µA max at 25°C).
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