ZHCSVJ2I August 2007 – December 2024 CDCE937 , CDCEL937
PRODUCTION DATA
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| GND | 5, 9, 16 | G | Ground |
| SCL/S2 | 18 | I | SCL: Serial clock input
(default configuration), LVCMOS; Internal pullup 500k; S2: User programmable control input; LVCMOS inputs; Internal pullup 500k |
| SDA/S1 | 19 | I/O | SDA: Bi-directional
serial data input/output (default configuration). LVCMOS; Internal
pullup 500k; S1: User programmable control input; LVCMOS inputs; Internal pullup 500k |
| S0 | 2 | I | User programmable control input S0; LVCMOS inputs; Internal pullup 500k |
| VCtrl | 4 | I | VCXO control voltage, leave open or pullup (approximately 500k) when not used |
| VDD | 3 | P | 1.8V power supply for the device |
| Vddout | 6, 10, 13 | P | CDCEL937: 1.8V supply for all outputs |
| CDCE937: 3.3V or 2.5V supply for all outputs | |||
| Xin/CLK | 1 | I | Crystal oscillator input or LVCMOS clock input (selectable through SDA/SCL bus) |
| Xout | 20 | O | Crystal oscillator output, leave open or pullup (?500k) when not used |
| Y1 | 17 | O | LVCMOS outputs |
| Y2 | 15 | O | LVCMOS outputs |
| Y3 | 14 | O | LVCMOS outputs |
| Y4 | 7 | O | LVCMOS outputs |
| Y5 | 8 | O | LVCMOS outputs |
| Y6 | 12 | O | LVCMOS outputs |
| Y7 | 11 | O | LVCMOS outputs |