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| CY14B101Q1 | |
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| PRELIMINARY | CY14B101Q2 | |
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| CY14B101Q3 | ||
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Pinouts
Figure 1. Pin Diagram - 8-Pin DFN[1, 2, 3]
CS | CY14B101Q1 | VCC | CS | CY14B101Q2 | VCC | |
SO | Top View | HOLD | SO | Top View | HOLD | |
WP | SCK | VCAP | SCK | |||
not to scale | not to scale | |||||
GND | SI | GND | SI | |||
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Figure 2. Pin Diagram - 16-Pin SOIC
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| NC | 1 |
| 16 | VCC | |||||
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| NC | 2 |
| 15 | NC | |||||
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| NC | 3 | CY14B101Q3 | 14 | VCAP | |||||
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| NC | 4 | 13 | SO | ||||||
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| Top View | 12 |
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| 5 |
| SI | ||||
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| WP | not to scale | ||||||||||
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| 11 | SCK | |||||
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| HOLD |
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| NC | 7 |
| 10 |
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| CS | |||||||
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| GND | 8 |
| 9 |
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| HSB | ||||||||
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Table 1. Pin Definitions |
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Pin Name | I/O Type |
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| Description | |||||||||||
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| Input |
| Chip Select. Activates the device when pulled LOW. Driving this pin high puts the device in low | ||||||||||||
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| CS | |||||||||||||||||||
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| power standby mode. |
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| SCK | Input |
| Serial Clock. Runs at speeds up to max 40 MHz. All inputs are latched at the rising edge of this | ||||||||||||||||||
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| clock. Outputs are driven at the falling edge of the clock. | ||||||||||||
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| SI | Input |
| Serial Input. Pin for input of all SPI instructions and data. | ||||||||||||||||
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| SO | Output |
| Serial Output. Pin for output of data through SPI. | |||||||||||||||||
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| Input |
| Write Protect. Implements hardware write protection in SPI. | ||||||||||||
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| WP | ||||||||||||||||||||
| HOLD |
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| HOLD | Pin. Suspends Serial Operation. |
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| Input/Output |
| Hardware STORE Busy: A weak internal pull up keeps this pin pulled high. If not used, this pin is | |||||||||||||
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| left as No Connect. |
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| Output: Indicates busy status of nvSRAM when LOW. | ||||||||||||
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| Input: Hardware STORE implemented by pulling this pin LOW externally. | ||||||||||||
| VCAP | Power Supply |
| AutoStore Capacitor. Supplies power to the nvSRAM during power loss to STORE data from the | |||||||||||||||||||
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| SRAM to nonvolatile elements. If AutoStore is not needed, this pin must be left as No Connect. It | ||||||||||||
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| must never be connected to GND. |
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| NC | No Connect |
| No Connect: This pin is not connected to the die. | |||||||||||||||||
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| GND | Power Supply | Ground |
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| VCC | Power Supply |
| Power Supply (2.7 to 3.6V) |
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Notes
1.HSB pin is not available in 8 DFN packages.
2.CY14B101Q1A part does not have WP pin.
3.CY14B101Q2A part does not have VCAP pin and does not support AutoStore.
Document #: | Page 2 of 22 |
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