| Part Number | HEF4557BT,652 | HEF4557BT,653 | 
|---|---|---|
| Manufacturer | NXP Semiconductors | Nexperia USA Inc. | 
| Category | Logic - Shift Registers | Logic - Shift Registers | 
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| Product Status | Active | Obsolete | 
| Logic Type | - | Shift Register | 
| Output Type | - | Complementary | 
| Number of Elements | - | 1 | 
| Number of Bits per Element | - | 64 | 
| Function | - | Universal | 
| Voltage - Supply | - | 4.5V ~ 15.5V | 
| Operating Temperature | - | -40°C ~ 125°C | 
| Mounting Type | - | Surface Mount | 
| Package / Case | - | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | - | 16-SO |