Part A
74HCT540D
Toshiba Semiconductor và lưu trữ
- Lifecycle
- Active
- Stock
- 1645 PCS
- Package
- SOIC-14
- Series
- Logic - Buffers, Drivers, Receivers, Transceivers
Parts at a glance
Part B
74HCT7403D,518
NXP Hoa Kỳ Inc.
- Lifecycle
- Active
- Stock
- 3207 PCS
- Package
- SOIC-16
- Series
- Logic - FIFOs Memory
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | 74HCT540D | 74HCT7403D,518 |
|---|---|---|
| Supplier | - | NXP USA Inc. |
| Series | 74HCT | 74HCT |
| Part Status | Active | Obsolete |
| Memory Size | - | 256 (64 x 4) |
| Function | - | Asynchronous, Synchronous |
| Data Rate | - | 30MHz |
| Access Time | - | 61ns |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5 V ~ 5.5 V |
| Current - Supply (Max) | - | 1mA |
| Bus Directional | - | Uni-Directional |
| Expansion Type | - | Depth, Width |
| Programmable Flags Support | - | No |
| Retransmit Capability | - | No |
| FWFT Support | - | No |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Logic Type | Buffer, Inverting | - |
| Number of Elements | 1 | - |
| Number of Bits per Element | 8 | - |
| Output Type | 3-State | - |
| Current - Output High Low | 6mA, 6mA | - |