3.3 Volt card
5.0 Volt card
SmartMedia is a type of NAND-flash memory card format. The size is 45 mm x 37 mm x 0.76 mm [thick].
SmartMedia cards operate using either 3.3 volt or 5 volt.
Solid State Floppy Disk Card [SSFDC] is the old name for SmartMedia, which was
changed in 1996. SSFDC was Developed by Toshiba Corp.
Current SmartMedia storage format include 16-Mbit, 32-Mbit, and 64-Mbit NAND-type flash
memory chips. The SmartMedia card uses an electrical contact area as shown in the graphic below.
3.3 Volt card 5.0 Volt card| Pin # | Pin Name | Signal Function |
| 1 | Vss | Ground |
| 2 | CLE | Command Latch Enable |
| 3 | ALE | Address Latch Enable |
| 4 | /WE | /Write Enable |
| 5 | /WP | /Write Protect |
| 6 | I/O1 | I/O Data Line 1 |
| 7 | I/O2 | I/O Data Line 2 |
| 8 | I/O3 | I/O Data Line 3 |
| 9 | I/O4 | I/O Data Line 4 |
| 10 | Vss | Ground |
| 11 | Vss | Ground |
| 12 | Vcc | +3.3 Volt (+/-0.3) or +5.0 Volt |
| 13 | I/O5 | I/O Data Line 5 |
| 14 | I/O6 | I/O Data Line 6 |
| 15 | I/O7 | I/O Data Line 7 |
| 16 | I/O8 | I/O Data Line 8 |
| 17 | PD Vcc | Power Detect Vcc |
| 18 | GND (optional on 32Mbit) | Ground Level Input |
| 19 | RY/BY | Ready / Busy (Open Drain) |
| 20 | /RE | /Read Enable |
| 21 | /CE | /Chip Enable |
| 22 | Vcc | Voltage Supply |