MM74C925 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
MM74C925 Datasheet PDF : 9 Pages
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Absolute Maximum Ratings(Note 1)
Voltage at Any Output Pin
Voltage at Any Input Pin
Operating Temperature
Range (TA)
Storage Temperature
Range
Power Dissipation (PD)
GND − 0.3V to VCC + 0.3V
GND − 0.3V to +15V
−40°C to +85°C
−65°C to +150°C
Refer to PD(MAX) vs TA Graph
Operating VCC Range
VCC
Lead Temperature
(Soldering, 10 seconds)
3V to 6V
6.5V
260°C
Note 1: “Absolute Maximum Ratings” are those values beyond which the
safety of the device cannot be guaranteed. Except for “Operating Tempera-
ture Range” they are not meant to imply that the devices should be oper-
ated at these limits. The Electrical Characteristics table provides conditions
for actual device operation.
DC Electrical Characteristics
Min/Max limits apply at −40°C ≤ tj≤ + 85°C, unless otherwise noted
Symbol
Parameter
Conditions
Min
CMOS TO CMOS
VIN(1)
VIN(0)
VOUT(1)
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Output Voltage
(Carry-Out and Digit Output
VCC = 5V
VCC = 5V
VCC = 5V, IO = −10 µA
Only)
VOUT(0)
IIN(1)
IIN(0)
ICC
Logical “0” Output Voltage
Logical “1” Input Current
Logical “0” Input Current
Supply Current
CMOS/LPTTL INTERFACE
VCC = 5V, IO = 10 µA
VCC = 5V, VIN = 15V
VCC = 5V, VIN = 0V
VCC = 5V, Outputs Open Circuit,
VIN = 0V or 5V
VIN(1)
VIN(0)
VOUT(1)
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Output Voltage
(Carry-Out and Digit
Output Only)
VCC = 4.75V
VCC = 4.75V
VCC = 4.75V,
IO = −360 µA
VOUT(0)
Logical “0” Output Voltage
OUTPUT DRIVE
VCC = 4.75V, IO = 360 µA
VOUT
RON
Output Voltage (Segment
Sourcing Output)
Output Resistance (Segment
Sourcing Output)
Output Resistance (Segment
IOUT = −65 mA, VCC = 5V, Tj = 25°C
IOUT = −40 mA, VCC = 5V Tj = 100°C
Tj = 150°C
IOUT = −65 mA, VCC = 5V, Tj = 25°C
IOUT = −40 mA, VCC = 5V Tj = 100°C
Tj = 150°C
Output) Temperature Coefficient
ISOURCE Output Source Current
(Digit Output)
VCC = 4.75V, VOUT = 1.75V, Tj = 150°C
ISOURCE
Output Source Current
(Carry-Out)
VCC = 5V, VOUT = 0V, Tj = 25°C
ISINK
Output Sink Current
(All Outputs)
VCC = 5V, VOUT = VCC, Tj = 25°C
θjA
Thermal Resistance
MM74C925: (Note 2)
MM74C926, MM74C927, MM74C928
Note 2: θjA measured in free-air with device soldered into printed circuit board.
3.5
4.5
−1
VCC − 2
2.4
VCC − 2
VCC − 1.6
VCC − 2
−1
−1.75
1.75
Typ
0.005
−0.005
20
VCC − 1.3
VCC − 1.2
VCC − 1.4
20
30
35
0.6
−2
−3.3
3.6
75
70
Max
1.5
0.5
1
1000
0.8
0.4
32
40
50
0.8
100
90
Units
V
V
V
V
µA
µA
µA
V
V
V
V
V
V
V
Ω
Ω
Ω
%/°C
mA
mA
mA
°C/W
°C/W
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