Datasheet MM74C925, MM74C926, MM74C927, MM74C928 (Fairchild) - 4
| 制造商 | Fairchild |
| 描述 | 4-Digit Counters with Multiplexed 7-Segment Output Drivers |
| 页数 / 页 | 9 / 4 — Absolute Maximum Ratings. 74C928. • M. Note 1:. • MM. DC Electrical … |
| 文件格式/大小 | PDF / 112 Kb |
| 文件语言 | 英语 |
Absolute Maximum Ratings. 74C928. • M. Note 1:. • MM. DC Electrical Characteristics. Symbol. Parameter. Conditions. Min. Typ. Max. Units
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Absolute Maximum Ratings
(Note 1) Operating VCC Range 3V to 6V VCC 6.5V Voltage at Any Output Pin GND − 0.3V to V
74C928
CC + 0.3V Lead Temperature
M
Voltage at Any Input Pin GND − 0.3V to +15V (Soldering, 10 seconds) 260°C Operating Temperature
• M
Range (TA) −40°C to +85°C
7 Note 1:
“Absolute Maximum Ratings” are those values beyond which the
2
Storage Temperature safety of the device cannot be guaranteed. Except for “Operating Tempera-
9
ture Range” they are not meant to imply that the devices should be oper- Range −65°C to +150°C
C
ated at these limits. The Electrical Characteristics table provides conditions Power Dissipation (PD) Refer to PD(MAX) vs TA Graph for actual device operation.
74 • MM DC Electrical Characteristics
Min/Max limits apply at −40°C ≤ t ≤ j + 85°C, unless otherwise noted
Symbol Parameter Conditions Min Typ Max Units C926 4 CMOS TO CMOS 7
VIN(1) Logical “1” Input Voltage VCC = 5V 3.5 V VIN(0) Logical “0” Input Voltage VCC = 5V 1.5 V V
• MM
OUT(1) Logical “1” Output Voltage VCC = 5V, IO = −10 µA (Carry-Out and Digit Output 4.5 V Only) VOUT(0) Logical “0” Output Voltage VCC = 5V, IO = 10 µA 0.5 V IIN(1) Logical “1” Input Current VCC = 5V, VIN = 15V 0.005 1 µA IIN(0) Logical “0” Input Current VCC = 5V, VIN = 0V −1 −0.005 µA I
MM74C925
CC Supply Current VCC = 5V, Outputs Open Circuit, 20 1000 µA VIN = 0V or 5V
CMOS/LPTTL INTERFACE
VIN(1) Logical “1” Input Voltage VCC = 4.75V VCC − 2 V VIN(0) Logical “0” Input Voltage VCC = 4.75V 0.8 V VOUT(1) Logical “1” Output Voltage VCC = 4.75V, (Carry-Out and Digit IO = −360 µA 2.4 V Output Only) VOUT(0) Logical “0” Output Voltage VCC = 4.75V, IO = 360 µA 0.4 V
OUTPUT DRIVE
VOUT Output Voltage (Segment IOUT = −65 mA, VCC = 5V, Tj = 25°C VCC − 2 VCC − 1.3 V Sourcing Output) IOUT = −40 mA, VCC = 5V Tj = 100°C VCC − 1.6 VCC − 1.2 V Tj = 150°C VCC − 2 VCC − 1.4 V RON Output Resistance (Segment IOUT = −65 mA, VCC = 5V, Tj = 25°C 20 32 Ω Sourcing Output) IOUT = −40 mA, VCC = 5V Tj = 100°C 30 40 Ω Tj = 150°C 35 50 Ω Output Resistance (Segment 0.6 0.8 %/°C Output) Temperature Coefficient ISOURCE Output Source Current VCC = 4.75V, VOUT = 1.75V, Tj = 150°C −1 −2 mA (Digit Output) ISOURCE Output Source Current VCC = 5V, VOUT = 0V, Tj = 25°C −1.75 −3.3 mA (Carry-Out) ISINK Output Sink Current VCC = 5V, VOUT = VCC, Tj = 25°C 1.75 3.6 mA (All Outputs) θjA Thermal Resistance MM74C925: (Note 2) 75 100 °C/W MM74C926, MM74C927, MM74C928 70 90 °C/W
Note 2:
θjA measured in free-air with device soldered into printed circuit board. www.fairchildsemi.com 4
(Note 1) Operating VCC Range 3V to 6V VCC 6.5V Voltage at Any Output Pin GND − 0.3V to V
74C928
CC + 0.3V Lead Temperature
M
Voltage at Any Input Pin GND − 0.3V to +15V (Soldering, 10 seconds) 260°C Operating Temperature
• M
Range (TA) −40°C to +85°C
7 Note 1:
“Absolute Maximum Ratings” are those values beyond which the
2
Storage Temperature safety of the device cannot be guaranteed. Except for “Operating Tempera-
9
ture Range” they are not meant to imply that the devices should be oper- Range −65°C to +150°C
C
ated at these limits. The Electrical Characteristics table provides conditions Power Dissipation (PD) Refer to PD(MAX) vs TA Graph for actual device operation.
74 • MM DC Electrical Characteristics
Min/Max limits apply at −40°C ≤ t ≤ j + 85°C, unless otherwise noted
Symbol Parameter Conditions Min Typ Max Units C926 4 CMOS TO CMOS 7
VIN(1) Logical “1” Input Voltage VCC = 5V 3.5 V VIN(0) Logical “0” Input Voltage VCC = 5V 1.5 V V
• MM
OUT(1) Logical “1” Output Voltage VCC = 5V, IO = −10 µA (Carry-Out and Digit Output 4.5 V Only) VOUT(0) Logical “0” Output Voltage VCC = 5V, IO = 10 µA 0.5 V IIN(1) Logical “1” Input Current VCC = 5V, VIN = 15V 0.005 1 µA IIN(0) Logical “0” Input Current VCC = 5V, VIN = 0V −1 −0.005 µA I
MM74C925
CC Supply Current VCC = 5V, Outputs Open Circuit, 20 1000 µA VIN = 0V or 5V
CMOS/LPTTL INTERFACE
VIN(1) Logical “1” Input Voltage VCC = 4.75V VCC − 2 V VIN(0) Logical “0” Input Voltage VCC = 4.75V 0.8 V VOUT(1) Logical “1” Output Voltage VCC = 4.75V, (Carry-Out and Digit IO = −360 µA 2.4 V Output Only) VOUT(0) Logical “0” Output Voltage VCC = 4.75V, IO = 360 µA 0.4 V
OUTPUT DRIVE
VOUT Output Voltage (Segment IOUT = −65 mA, VCC = 5V, Tj = 25°C VCC − 2 VCC − 1.3 V Sourcing Output) IOUT = −40 mA, VCC = 5V Tj = 100°C VCC − 1.6 VCC − 1.2 V Tj = 150°C VCC − 2 VCC − 1.4 V RON Output Resistance (Segment IOUT = −65 mA, VCC = 5V, Tj = 25°C 20 32 Ω Sourcing Output) IOUT = −40 mA, VCC = 5V Tj = 100°C 30 40 Ω Tj = 150°C 35 50 Ω Output Resistance (Segment 0.6 0.8 %/°C Output) Temperature Coefficient ISOURCE Output Source Current VCC = 4.75V, VOUT = 1.75V, Tj = 150°C −1 −2 mA (Digit Output) ISOURCE Output Source Current VCC = 5V, VOUT = 0V, Tj = 25°C −1.75 −3.3 mA (Carry-Out) ISINK Output Sink Current VCC = 5V, VOUT = VCC, Tj = 25°C 1.75 3.6 mA (All Outputs) θjA Thermal Resistance MM74C925: (Note 2) 75 100 °C/W MM74C926, MM74C927, MM74C928 70 90 °C/W
Note 2:
θjA measured in free-air with device soldered into printed circuit board. www.fairchildsemi.com 4