* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN, R.O.C Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052 Page 1 of 42 Rev 1.0 Aug.20,2002



50S116T
SDRAM


512K · 2 BANKS · 16 BITS SDRAM
Table of Contents -
1. GENERAL DESCRIPTI ON ................................ ................................ ................................ .................. 3
2. FEATURES ................................ ................................ ................................ ................................ .......... 3
3. AVAILABLE PA RT NUMBER ................................ ................................ ................................ ............... 3
4. PIN CONFIGURATION ................................ ................................ ................................ ........................ 4
5. PIN DESCRIPTION ................................ ................................ ................................ .............................. 5
6. BLOCK DIAGRAM ................................ ................................ ................................ ............................... 6
7. FUNCTIONAL DESCRI PTION ................................ ................................ ................................ ............ 7
Power - up and Initialization ................................ ................................ ................................ ................ 7
Programming Mode Register ................................ ................................ ................................ ............ 7
Bank Activate Command ................................ ................................ ................................ .................. 7
Read and Write Access Modes ................................ ................................ ................................ ........ 7
Burst Read Command ................................ ................................ ................................ ...................... 8
Burst Write Command ................................ ................................ ................................ ...................... 8
Read Interrupted by a Read ................................ ................................ ................................ .............. 8
Read Interrupted by a Write ................................ ................................ ................................ .............. 8
Write Interrupted by a Write ................................ ................................ ................................ .............. 8
Write Interrupted by a Read ................................ ................................ ................................ .............. 8
Burst Stop Command ................................ ................................ ................................ ....................... 8
Addressing Sequence of Sequential Mode ................................ ................................ ....................... 9
Addressi ng Sequence of Interleave Mode ................................ ................................ ........................ 9
Auto Precharge Command ................................ ................................ ................................ ............. 10
Precharge Command ................................ ................................ ................................ ...................... 10
Self Refresh Command ................................ ................................ ................................ .................. 10
Power - down Mode ................................ ................................ ................................ .......................... 10
No Operation Command ................................ ................................ ................................ ................. 11
Deselect Command ................................ ................................ ................................ ........................ 11
Clock Suspend Mode ................................ ................................ ................................ ...................... 11
8. TABLE OF OPERATIN G MODES ................................ ................................ ................................ ..... 12
9. ELECTRICAL CHARAC TERISTICS ................................ ................................ ................................ .. 13
Absolute Maximum Ratings ................................ ................................ ................................ ............ 13
Recommended DC Operating Conditions ................................ ................................ ...................... 13
Capacitance ................................ ................................ ................................ ................................ .... 13