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samsung.com/semi/sram 17
1H 2011
SRAM
NtRAM & Late Write RR SRAM
NtRAM
Type Density Organization Part Number Package Operating
Mode
Vdd (V) Access Time
tCD (ns)
Speed
tCYC (MHz)
I/O Voltage
(V)
Production Status
NtRAM
72Mb
2Mx36 K7N643645M 100-TQFP SPB 2.5 2.6, 3.5 250, 167 2.5 Mass Production
4Mx18 K7N641845M 100-TQFP SPB 2.5 2.6, 3.5 250, 167 2.5 Mass Production
36Mb
1Mx36 K7N323631C 100-TQFP, 165FBGA SPB 3.3, 2.5 2.6, 3.5 250, 167 3.3, 2.5 Mass Production
2Mx18 K7N321831C 100-TQFP, 165FBGA SPB 3.3, 2.5 2.6, 3.5 250, 167 3.3, 2.5 Mass Production
1Mx36 K7M323635C 100-TQFP FT 3.3, 2.5 7.5 118 3.3, 2.5 Mass Production
2Mx18 K7M321835C 100-TQFP FT 3.3, 2.5 7.5 118 3.3, 2.5 Mass Production
18Mb
1Mx18 K7N161831B 100-TQFP, 165FBGA SPB 3.3, 2.5 2.6, 3.5 250, 167 3.3, 2.5 Mass Production
512Kx36 K7N163631B 100-TQFP, 165FBGA SPB 3.3, 2.5 2.6, 3.5 250, 167 3.3, 2.5 Mass Production
1Mx18 K7M161835B 100-TQFP FT (SB) 3.3 6.5 133 3.3, 2.5 Mass Production
512Kx36 K7M163635B 100-TQFP FT (SB) 3.3 6.5 133 3.3, 2.5 Mass Production
8Mb
256Kx36 K7N803601B 100-TQFP SPB 3.3 3.5 167 3.3,2.5 Not for new designs
512Kx18 K7N801801B 100-TQFP SPB 3.3 3.5 167 3.3,2.5 Not for new designs
256Kx36 K7N803609B 100-TQFP SPB 3.3 2.6 250 3.3,2.5 Not for new designs
512Kx18 K7N801809B 100-TQFP SPB 3.3 2.6 250 3.3,2.5 Not for new designs
256Kx36 K7N803645B 100-TQFP SPB 2.5 3.5 167 2.5 Not for new designs
512Kx18 K7N801845B 100-TQFP SPB 2.5 3.5 167 2.5 Not for new designs
256Kx36 K7N803649B 100-TQFP SPB 2.5 2.6 250 2.5 Not for new designs
512Kx18 K7N801849B 100-TQFP SPB 2.5 2.6 250 2.5 Not for new designs
512Kx18 K7M801825B 100-TQFP FT 3.3 6.5 133 3.3, 2.5 Not for new designs
256Kx36 K7M803625B 100-TQFP FT 3.3 6.5 133 3.3, 2.5 Not for new designs
4Mb
128Kx36 K7N403609B 100-TQFP SPB 3.3 3 200 3.3,2.5 Not for new designs
256Kx18 K7N401809B 100-TQFP SPB 3.3 3 200 3.3,2.5 Not for new designs
SPB and FT 4Mb 256Kx18 K7B401825B 100-TQFP SB 3.3 6.5 133 3.3, 2.5 Not for new designs
NOTES: All TQFP products are lead free
NtRAM speed recommendations: For 200MHz use 250MHz; For 133MHz use 167MHz
NtRAM speed recommendation: Use 7.5ns Access Time use 6.5ns Access Time
Recommended SPB speeds are 250MHz and 167MHz Recommended SB Acess Speed is 7.5ns
Late-Write RR SRAM
Density Organization Part Number Package Operating
Mode
Vdd (V) Access Time
tCD (ns)
Speed tCYC
(MHz)
I/O Voltage
(V)
Production Status
32Mb
1Mx36 K7P323674C 119-BGA SP 1.8 / 2.5V 1.6, 2.0 300,250 1.5 (Max 1.8) Mass Production
2Mx18 K7P321874C 119-BGA SP 1.8 / 2.5V 1.6, 2.0 300,250 1.5 (Max 1.8) Mass Production
8Mb
256Kx36 K7P803611B 119-BGA SP 3.3 1.6 300 1.5 (Max.2.0) Mass Production
512Kx18 K7P801811B 119-BGA SP 3.3 1.6 300 1.5 (Max.2.0) Mass Production
256Kx36 K7P803666B 119-BGA SP 2.5 2 250 1.5 (Max.2.0) Mass Production
512Kx18 K7P801866B 119-BGA SP 2.5 2 250 1.5 (Max.2.0) Mass Production