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CY74FCT373T Datasheet(PDF) 5 Page - Texas Instruments

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Part No. CY74FCT373T
Description  8-BIT LATCHES WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CY74FCT373T Datasheet(HTML) 5 Page - Texas Instruments

   
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CY54FCT373T, CY74FCT373T
8-BIT LATCHES
WITH 3-STATE OUTPUTS
SCCS021B – MAY 1994 – REVISED OCTOBER 2001
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
CY54FCT373T
CY74FCT373T
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
TYP†
MAX
UNIT
ICCD¶
VCC = 5.5 V, Outputs open,
One input switching at 50% duty cycle, OE = GND,
VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V
0.06
0.12
mA/
ICCD¶
VCC = 5.25 V, Outputs open,
One input switching at 50% duty cycle, OE = GND,
VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V
0.06
0.12
MHz
#
VCC =5 5V
One bit switching
at f1 = 10 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
0.7
1.4
#
VCC = 5.5 V,
Outputs open,
1
at 50% duty cycle
VIN = 3.4 V or GND
1
2.4
#
,
OE = GND,
LE = VCC
Eight bits switching
at f1 = 2.5 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
1.3
2.6||
IC#
1
at 50% duty cycle
VIN = 3.4 V or GND
3.3
10.6||
mA
IC#
VCC = 5 25 V
One bit switching
at f1 = 10 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
0.7
1.4
mA
VCC = 5.25 V,
Outputs open,
1
at 50% duty cycle
VIN = 3.4 V or GND
1
2.4
,
OE = GND,
LE = VCC
Eight bits switching
at f1 = 2.5 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
1.3
2.6||
1
at 50% duty cycle
VIN = 3.4 V or GND
3.3
10.6||
Ci
6
10
6
10
pF
Co
8
12
8
12
pF
† Typical values are at VCC = 5 V, TA = 25°C.
¶ This parameter is derived for use in total power-supply calculations.
# IC
= ICC + ∆ICC × DH × NT + ICCD (f0/2 + f1 × N1)
Where:
IC
= Total supply current
ICC
= Power-supply current with CMOS input levels
∆ICC = Power-supply current for a TTL high input (VIN = 3.4 V)
DH
= Duty cycle for TTL inputs high
NT
= Number of TTL inputs at DH
ICCD = Dynamic current caused by an input transition pair (HLH or LHL)
f0
= Clock frequency for registered devices, otherwise zero
f1
= Input signal frequency
N1
= Number of inputs changing at f1
All currents are in milliamperes and all frequencies are in megahertz.
|| Values for these conditions are examples of the ICC formula.


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