T221160A

www.DataSheet4U.com tm TE CH T221160A DRAM FEATURES 64K x 16 DYNAMIC RAM FAST PAGE MODE PIN ASSIGNMENT ( Top View ) V cc I/01 I/02 I/03 I/04 V cc I/05 I/06 I/07 I/08 NC NC WE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 V ss I/016 I/015 I/014 I/013 V ss I/012 I/011 I/010 I/09 NC CASL CASH OE NC A7 A6 A5 A4 VSS High speed access time : 25/30/35/40 ns Industry-standard x 16 pinouts and timing functions. Single 5V (±10%) power supply. All device pins are TTL- compatible. 256-cycle refresh in 4ms. Refresh modes: RAS only, CAS BEFORE RAS (CBR) and HIDDEN. Conventional FAST PAGE MODE access cycle. BYTE WRITE and BYTE READ access cycles. SO J 31 30 29 28 27 26 25 24 23 22 21 PART NUMBER EXAMPLES PART NUMBER R AS NC A0 A1 ACCESS TIME 30ns 30ns 35ns 35ns PACKAGE SOJ TSOP-II SOJ TSOP-II T221160A-30J T221160A-30S T221160A-35J T221160A-35S A2 A3 V cc V cc I/01 1 2 3 4 5 6 7 8 9 10 T S O P (II) 40 39 38 37 36 35 34 33 32 31 V ss I/01 6 I/01 5 I/01 4 I/01 3 V ss I/01 2 I/01 1 I/01 0 I/09 GENERAL DESCRIPTION The T221160A is a randomly accessed solid state memory containing 1,048,551 bits organized in a x16 configuration. The T221160A has both BYTE WRITE and WORD WRITE access cycles via two CAS pins. It offers Fast Page mode operation The T221160A CAS function and timing are I/02 I/03 I/04 V cc I/05 I/06 I/07 I/08 NC 11 12 13 14 15 16 17 18 19 20 30 29 28 27 26 25 24 23 22 21 NC CA SL CA SH OE NC A7 A6 A5 A4 V SS deter...