User Guide

22
22DN-S3000
128M-SDRAM Terminal Function
Pin NO. Symbol Type Description
68 CLK I Clock
67 CKE I Clock Enable
20 CS# I Chip Select
17, 18, 19 WE#, CAS#, RAS# I Command Inputs
16, 71, 28, 59 DQM0-DQM3 I Input/Outout Mask
22, 23 BA0, BA1 I Bank Address Input(s)
21, 24-27, 60-66 A0-A11 I Address Inputs
2, 4, 5, 7, 8, 10, 11, 13, 31, 33, 34, 36, 37, 39,
40, 42, 45, 47, 48, 50, 51, 53, 54, 56, 74, 76,
77, 79, 80, 82, 83, 85
DQ0-DQ31 I/O Data I/Os
14, 30, 57, 69, 70, 73 NC - No Connect
3, 9, 35, 41, 49, 55, 75, 81 V
DD
Q Supply DQ Power Supply
6, 12, 32, 38, 46, 52, 78, 84 V
SS
Q Supply DQ Ground
1, 15, 29, 43 V
DD
Supply Power Supply: +3.3V ±0.3V
44, 58, 72, 86 V
SS
Supply Ground