Power Dissipation .......................................................... 1.0W
Output Enable Inputs (Active LOW)
Function Table
OE
1
L
L
H
X
Inputs
OE
2
L
L
X
H
Operating Range
Ambient
Temperature
–40°C to +85°C
V
CC
2.7V to 3.6V
Electrical Characteristics
Over the Operating Range V
CC
=2.7V to 3.6V
Parameter
V
IH
V
IL
V
H
V
IK
I
IH
I
IL
I
OZH
I
OZL
I
OS
I
OFF
I
CC
∆I
CC
Description
Input HIGH Voltage
Input LOW Voltage
Input Hysteresis
[5]
Test Conditions
All Inputs
Min.
2.0
Typ.
[4]
Max.
5.5
0.8
Unit
V
V
mV
V
µA
µA
µA
µA
mA
µA
µA
µA
100
V
CC
=Min., I
IN
=–18 mA
V
CC
=Max., V
I
=5.5
V
CC
=Max., V
I
=GND
V
CC
=Max., V
OUT
=5.5V
V
CC
=Max., V
OUT
=GND
V
CC
=Max., V
OUT
=GND
V
CC
=0V, V
OUT
≤4.5V
V
IN
≤0.2V,
V
IN
>V
CC
–0.2V
V
IN
=V
CC
–0.6V
[7]
V
CC
=Max.
V
CC
=Max.
0.1
2.0
–60
–135
–0.7
– 1.2
±1
±1
±1
±1
–240
±100
10
30
Input Clamp Diode Voltage
Input HIGH Current
Input LOW Current
High Impedance Output Current
(Three-State Output pins)
High Impedance Output Current
(Three-State Output pins)
Short Circuit Current
[6]
Power-Off Disable
Quiescent Power Supply Current
Quiescent Power Supply Current
(TTL inputs HIGH)
Note:
1. H = HIGH Voltage Level, L = LOW Voltage Level, X = Don’t Care, Z = HIGH Impedance.
2. Operation beyond the limits set forth may impair the useful life of the device. Unless otherwise noted, these limits are over the operating free-air temperature
range.
3. Unused inputs must always be connected to an appropriate logic voltage level, preferably either V
CC
or ground.
4. Typical values are at V
CC
=3.3V, T
A
= +25°C ambient.
5. This parameter is guaranteed but not tested.
6. Not more than one output should be shorted at a time. Duration of short should not exceed one second. The use of high-speed test apparatus and/or sample
and hold techniques are preferable in order to minimize internal chip heating and more accurately reflect operational values. Otherwise prolonged shorting of
a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parametric tests. In any sequence of parameter
tests, I
OS
tests should be performed last.
7. Per TTL driven input; all other inputs at V
CC
or GND.
2
CY74FCT163827
CY74FCT163LD827
Electrical Characteristics For Balanced Drive Devices
Over the Operating Range V
CC
=2.7V to 3.6V
Parameter
I
ODL
I
ODH
V
OH
Description
Output LOW Dynamic Current
[6]
Output HIGH Dynamic Current
[6]
Output HIGH Voltage
Test Conditions
V
CC
=3.3V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V
V
CC
=3.3V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V
V
CC
=Min., I
OH
= –0.1 mA
V
CC
=Min., I
OH
= –8 mA
V
CC
=3.0V, I
OH
= –24 mA
V
OL
Output LOW Voltage
V
CC
=Min., I
OL
= 0.1mA
V
CC
=Min., I
OL
= 24 mA
0.3
Min.
45
–45
V
CC
–0.2
2.4
[8]
2.0
3.0
3.0
0.2
0.55
Typ.
[4]
Max.
180
–180
Unit
mA
mA
V
V
V
V
Electrical Characteristics For Lite Drive Devices
Over the Operating Range V
CC
=3.0V to 3.6V
Parameter
I
ODL
I
ODH
V
OH
V
OL
Description
Output LOW Dynamic Current
[6]
Output HIGH Dynamic Current
[6]
Output HIGH Voltage
Output LOW Voltage
Test Conditions
V
CC
=3.3V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V
V
CC
=3.3V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V
V
CC
=3.0 V, I
OH
= –6 mA
V
CC
=3.0 V, I
OL
= 6 mA
Min.
15.0
-15.0
2.4
3.0
0.55
Typ.
[4]
Max.
45
-45
Unit
mA
mA
V
V
Capacitance
[5]
(T
A
= +25°C, f = 1.0 MHz)
Parameter
C
IN
C
OUT
Description
Input Capacitance
Output Capacitance
V
IN
= 0V
V
OUT
= 0V
Test Conditions
Typ.
[4]
4.5
5.5
Max.
6.0
8.0
Unit
pF
pF
Note:
8. V
OH
=V
CC
–0.6V at rated current.
3
CY74FCT163827
CY74FCT163LD827
Power Supply Characteristics
Parameter
I
CCD
Description
Dynamic Power Supply
Current
[9]
Total Power Supply
Current
[10]
Test Conditions
V
CC
=Max., One Input Toggling, V
IN
=V
CC
or
50% Duty Cycle,
V
IN
=GND
Outputs Open, OE=GND
V
CC
=Max., f
1
=10 MHz, 50%
V
IN
=V
CC
or
Duty Cycle, Outputs Open, One V
IN
=GND
Bit Toggling, OE=GND
V
IN
=V
CC
–0.6V or
V
IN
=GND
V
CC
=Max., f
1
=2.5 MHz, 50%
V
IN
=V
CC
or
Duty Cycle, Outputs Open, Six- V
IN
=GND
teen Bits Toggling, OE=GND
V
IN
=V
CC
–0.6V or
V
IN
=GND
Typ.
[4]
50
Max.
75
Unit
µA/MHz
I
C
0.5
0.5
2.0
2.0
0.8
0.8
3.0
[11]
3.3
[11]
mA
mA
mA
mA
Switching Characteristics
Over the Operating Range
V
CC
=3.0V to 3.6V
[12,13]
CY74FCT163827A
Parameter
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
SK(O)
Description
Propagation Delay Data to
Output
Output Enable Time
Output Disable Time
Output Skew
[15]
Min.
1.5
1.5
1.5
Max.
4.8
6.2
5.6
0.5
CY74FCT163827C
Min.
1.5
1.5
1.5
Max.
4.1
5.8
5.2
0.5
Unit
ns
ns
ns
ns
Fig. No.
[14]
1, 3
1, 7, 8
1, 7, 8
—
Switching Characteristics
Over the Operating Range
V
CC
=3.0V to 3.6V
[12,13]]
CY74FCT163LD827
[16]
Parameter
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
SK(O)
Description
Propagation Delay Data to
Output
Output Enable Time
Output Disable Time
Output Skew
[15]
Min.
1.5
1.5
1.5
Max.
6.5
8.0
7.0
0.5
CY74FCT163827A
[16]
Min.
1.5
1.5
1.5
Max.
4.8
6.2
5.6
0.5
Unit
ns
ns
ns
ns
Fig. No.
[14]
1, 3
1, 7, 8
1, 7, 8
—
Notes:
9. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.
10. I
C
= I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
= I
CC
+∆I
CC
D
H
N
T
+I
CCD
(f
0
/2 + f
1
N
1
)
I
CC
= Quiescent Current with CMOS input levels
∆I
CC
= Power Supply Current for a TTL HIGH input (V
IN
=3.4V)
D
H
= Duty Cycle for TTL inputs HIGH
N
T
= Number of TTL inputs at D
H
I
CCD
= Dynamic Current caused by an input transition pair (HLH or LHL)
f
0
= Clock frequency for registered devices, otherwise zero
= Input signal frequency
f
1
N
1
= Number of inputs changing at f
1
All currents are in milliamps and all frequencies are in megahertz.
11. Values for these conditions are examples of the I
CC
formula. These limits are guaranteed but not tested.
12. Minimum limits are guaranteed but not tested on Propagation Delays.
13. For V
CC
=2.7, propagation delay, output enable and output disable times should be degraded by 20%.
14. See “Parameter Measurement Information” in the General Information section.
15. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
16. The load capacitance is 30 pF for Lite Drive devices. For all others it is 50 pF.
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