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CD74HC7266 Datasheet, PDF (4/5 Pages) Texas Instruments – High Speed CMOS Logic Quad 2-Input EXCLUSIVE NOR Gate
CD74HC7266
DC Electrical Specifications (Continued)
PARAMETER
Input Leakage
Current
TEST
CONDITIONS
SYMBOL
II
VI (V)
VCC or
GND
IO (mA)
-
VCC
(V)
6
25oC
-40oC TO 85oC -55oC TO 125oC
MIN TYP MAX MIN MAX MIN MAX UNITS
-
-
±0.1
-
±1
-
±1
µA
Quiescent Device
Current (Note)
ICC
VCC or
0
GND
6
-
-
2
-
20
-
40
µA
NOTE:
4. For dual-supply systems theorectical worst case (VI = 2.4V, VCC = 5.5V) specification is 1.8mA.
Switching Specifications Input tr, tf = 6ns
PARAMETER
HC TYPES
Propagation Delay
TEST
SYMBOL CONDITIONS VCC (V)
tPLH, tPHL CL = 50pF
2
4.5
25oC
TYP MAX
-40oC TO 85oC -55oC TO 125oC
MAX
MAX
UNITS
-
115
145
-
23
29
150
ns
35
ns
6
-
30
25
30
ns
Propagation Delay Time, Any tPLH, tPHL CL = 15pF
5
9
-
-
Input
-
ns
Output Transition Times
tTLH, tTHL CL = 50pF
2
-
75
95
(Figure 1)
4.5
-
15
19
110
ns
22
ns
6
-
13
16
19
ns
Input Capacitance
Power Dissipation
Capacitance
CIN
-
-
-
10
10
CPD
CL = 15pF
5
33
-
-
10
pF
-
pF
NOTE:
5. CPD is used to determine the dynamic power consumption per gate, PD = VCC2 fi (CPD + CL) where fi = Input Frequency, CL = Output
Load Capacitance, VCC = Supply Voltage.
Test Circuit and Waveform
tr = 6ns
INPUT
tTHL
90%
50%
10%
INVERTING
OUTPUT
tPHL
tf = 6ns
VCC
GND
tTLH
90%
50%
10%
tPLH
FIGURE 1. HC AND HCU TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC
4