A2V56S40DTP-7PP
A2V56S40DTP-7PP is 256Mb SDRAM manufactured by UST.
DESCRIPTION
(4-BANK x 16,777,216-WORD x 4-BIT) (4-BANK x 8,388,6084-WORD x 8-BIT) (4-BANK x 4,194,304-WORD x 16-BIT)
A2V56S20BTP is organized as 4-bank x 16,777,216-word x 4-bit Synchronous DRAM with LVTTL interface and A2V56S30BTP is organized as 4-bank x 8,388,608-word x 8-bit and A2V56S40BTP is organized as 4-bank x 4,194, 304-word x 16-bit. All inputs and outputs are referenced to the rising edge of CLK.
A2V56S20BTP,A2V56S30BTP and A2V56S40BTP achieve very high speed clock rates up to 166MHz, and are suitable for main memories or graphic memories in puter systems.
FEATURES
ITEM t CLK t RAS t RCD t AC t RC Icc1 Clock Cycle Time (Min.) CL=2 CL=3
-6
6 42 CL=2 CL=3 V56S20 15 5 60 100 110 130 3
A2V56S20/30/40BTP -7E -7 -75 -8
7 7 45 20 5.4 5.4 63 100 110 130 3 7 45 20 5.4 63 100 110 130 3 10 7.5 45 20 6 5.4 67.5 100 110 130 3 10 8 48 20 6 6 70 95 100 120 3
Unit ns ns ns ns ns ns ns m A m A m A m A
Active to Precharge mand Period (Min.) (Min.) Row to Column Delay Access Time from CLK Ref /Active mand Period Operation Current (Single Bank) (Max.) (Min.) (Max.) V56S30 V56S40
Icc6
Self Refresh Current
(Max.)...
