7485 4-bit Magnitude Comparator
EGP25.00
In stock
Estimated delivery dates: 22-12-2024 - 25-12-2024
Features
Compares 4-bit Binary or BCD Codes and Outputs Greater, Less Than or Equal
Outputs Directly Interface to CMOS, NMOS and TTL
Large Operating Voltage Range
Wide Operating Conditions
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | B3 Input |
| 2 | A |
| 3 | A=B Input |
| 4 | A>B Input |
| 5 | A>B Output |
| 6 | A=B Output |
| 7 | A |
| 8 | Ground |
| 9 | B0 Input |
| 10 | A0 Input |
| 11 | B1 Input |
| 12 | A1 Input |
| 13 | A2 Input |
| 14 | B2 Input |
| 15 | A3 Input |
| 16 | Vcc – Positive Supply |
Dimensional Drawing
Technical Data
Absolute Maximum Ratings
|
Supply Voltage |
7V |
|
Input Voltage |
5.5V |
|
Operating Free Air Temperature |
0°C to +70°C |
|
Storage Temperature Range |
-65°C to +150°C |
Recommended Operating Conditions
| Symbol | Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Vcc | Supply Voltage | 4.75 | 5 | 5.25 | V |
| Vih | HIGH Level Input Voltage | 2 | V | ||
| Vil | LOW Level Input Voltage | 0.8 | V | ||
| Ioh | HIGH Level Output Current | -0.4 | mA | ||
| Iol | LOW Level Output Current | 16 | mA | ||
| Ta | Free Air Operating Temperature | 0 | 70 | °C |
Electrical Characteristics
| Symbol | Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Vi | Input Clamp Voltage | Vcc=Min Ii=-12mA | -1.5 | V | ||
| Voh | HIGH Level Output Voltage | Vcc=Min Ioh=MAX Vil=MAX | 2.4 | 3.4 | V | |
| Vol | LOW Level Output Voltage | Vcc=Min Iol=MAX Vih=MAX | 0.2 | 0.4 | V | |
| Ii | Input Current@MAX Input Voltage | Vcc=Max Vi=5.5V | 1 | mA | ||
| Iih | HIGH Level Input Current | Vcc=Max Vi=2.4V | 40 | µA | ||
| Iil | LOW Level Input Current | Vcc=Max Vi=0.4V | -1.6 | mA | ||
| Ios | Short Circuit Output Current | Vcc=Max | -18 | -55 | mA | |
| Icch | Supply Current with Outputs HIGH | Vcc=Max | 4 | 8 | mA | |
| Iccl | Supply Current with Outputs LOW | Vcc=Max | 12 | 22 | mA |
Switching Characteristics at Vcc=5V,Ta=25°C
| Symbol | Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| tplh | Propagation Delay Time LOW-to-HIGH Level Output | Cl=15pF Rl=400R | 22 | nS | ||
| tphl | Propagation Delay Time HIGH-to-LOW Level Output | Cl=15pF Rl=400R | 15 | nS |
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