MC74LCX245DTG Datasheet, PDF (4/9 Pages) ON Semiconductor – Low-Voltage CMOS Octal Transceiver

MC74LCX245
DC ELECTRICAL CHARACTERISTICS
Symbol
Characteristic
Condition
V_IH
HIGH Level Input Voltage (Note 2)
V_IL
LOW Level Input Voltage (Note 2)
V_OH
HIGH Level Output Voltage
V_OL
LOW Level Output Voltage
I_OZ
3−State Output Current
2.3 V ≤ V_CC ≤ 2.7 V
2.7 V ≤ V_CC ≤ 3.6 V
2.3 V ≤ V_CC ≤ 2.7 V
2.7 V ≤ V_CC ≤ 3.6 V
2.3 V ≤ V_CC ≤ 3.6 V; I_OL = 100 mA
V_CC = 2.3 V; I_OH = −8 mA
V_CC = 2.7 V; I_OH = −12 mA
V_CC = 3.0 V; I_OH = −18 mA
V_CC = 3.0 V; I_OH = −24 mA
2.3 V ≤ V_CC ≤ 3.6 V; I_OL = 100 mA
V_CC = 2.3 V; I_OL= 8 mA
V_CC = 2.7 V; I_OL= 12 mA
V_CC = 3.0 V; I_OL = 16 mA
V_CC = 3.0 V; I_OL = 24 mA
V_CC = 3.6 V, V_IN = V_IH or V_IL,
V_OUT = 0 to 5.5 V
I_OFF
Power Off Leakage Current
V_CC = 0, V_IN = 5.5 V or V_OUT = 5.5 V
I_IN
Input Leakage Current
V_CC = 3.6 V, V_IN = 5.5 V or GND
I_CC
Quiescent Supply Current
V_CC = 3.6 V, V_IN = 5.5 V or GND
DI_CC
Increase in I_CC per Input
2.3 ≤ V_CC ≤ 3.6 V; V_IH = V_CC − 0.6 V
2. These values of V_I are used to test DC electrical characteristics only.
T_A = −55°C to +125°C
Min
Max
Unit
1.7
V
2.0
0.7
V
0.8
V_CC − 0.2
V
1.8
2.2
2.4
2.2
0.2
V
0.6
0.4
0.4
0.55
±5
mA
10
mA
±5
mA
10
mA
500
mA
AC CHARACTERISTICS t_R = t_F = 2.5 ns; R_L = 500 W
Limits
Symbol
Parameter
T_A = −55°C to +125°C
V_CC = 3.3 V ± 0.3V V_CC = 2.7 V V_CC = 2.5 V ± 0.2V V_CC = 5.0 V
C_L = 50 pF
C_L = 50 pF
C_L = 30 pF
C_L = 50 pF
Waveform Min
Max Min Max Min
Max Min Max Unit
t_PLH
Propagation Delay
t_PHL
Input to Output
1
1.5
7.0
1.5 8.0
1.5
8.4
1.5 5.0 ns
1.5
7.0
1.5 8.0
1.5
8.4
1.5 5.0
t_PZH
Output Enable Time
t_PZL
to High and Low Level
2
1.5
8.5
1.5 9.5
1.5
10.5
1.5 7.0
ns
1.5
8.5
1.5 9.5
1.5
10.5
1.5 7.0
t_PHZ
Output Disable Time From
2
t_PLZ
High and Low Level
1.5
7.5
1.5 8.5
1.5
9.0
1.5 6.0 ns
1.5
7.5
1.5 8.5
1.5
9.0
1.5 6.0
t_OSHL
t_OSLH
Output−to−Output Skew
(Note 3)
1.0
1.0
1.0
1.0
1.0
1.0 ns
1.0
1.0
3. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH−to−LOW (t_OSHL) or LOW−to−HIGH (t_OSLH); parameter
guaranteed by design.
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