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ntrAM
Type
Density Organization
2Mx36
72Mb
4Mx18
1Mx36
2Mx18
36Mb
1Mx36
2Mx18
1Mx18
512Kx36
18Mb
1Mx18
512Kx36
256Kx36
NtRAM
512Kx18
256Kx36
512Kx18
256Kx36
8Mb
512Kx18
256Kx36
512Kx18
512Kx18
256Kx36
128Kx36
4Mb
256Kx18
sPB and Ft 4Mb
256Kx18
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
1Mx36
K7P323674C
32Mb
2Mx18
K7P321874C
256Kx36
K7P803611B
512Kx18
K7P801811B
8Mb
256Kx36
K7P803666B
512Kx18
K7P801866B
samsung.com/semi/sram
Part Number
Package
K7N643645M
100-tQFP
K7N641845M
100-tQFP
K7N323631C
100-tQFP, 165FBGA
K7N321831C
100-tQFP, 165FBGA
K7M323635C
100-tQFP
K7M321835C
100-tQFP
K7N161831B
100-tQFP, 165FBGA
K7N163631B
100-tQFP, 165FBGA
K7M161835B
100-tQFP
K7M163635B
100-tQFP
K7N803601B
100-tQFP
K7N801801B
100-tQFP
K7N803609B
100-tQFP
K7N801809B
100-tQFP
K7N803645B
100-tQFP
K7N801845B
100-tQFP
K7N803649B
100-tQFP
K7N801849B
100-tQFP
K7M801825B
100-tQFP
K7M803625B
100-tQFP
K7N403609B
100-tQFP
K7N401809B
100-tQFP
K7B401825B
100-tQFP
Package
Operating
Mode
119-BGA
sP
119-BGA
sP
119-BGA
sP
119-BGA
sP
119-BGA
sP
119-BGA
sP
1H 2011
Operating
Vdd (V)
Access Time
Mode
tCD (ns)
sPB
2.5
2.6, 3.5
sPB
2.5
2.6, 3.5
sPB
3.3, 2.5
2.6, 3.5
sPB
3.3, 2.5
2.6, 3.5
Ft
3.3, 2.5
7.5
Ft
3.3, 2.5
7.5
sPB
3.3, 2.5
2.6, 3.5
sPB
3.3, 2.5
2.6, 3.5
Ft (sB)
3.3
6.5
Ft (sB)
3.3
6.5
sPB
3.3
3.5
sPB
3.3
3.5
sPB
3.3
2.6
sPB
3.3
2.6
sPB
2.5
3.5
sPB
2.5
3.5
sPB
2.5
2.6
sPB
2.5
2.6
Ft
3.3
6.5
Ft
3.3
6.5
sPB
3.3
3
sPB
3.3
3
sB
3.3
6.5
Vdd (V)
Access Time
Speed tCYC
tCD (ns)
(MHz)
1.8 / 2.5V
1.6, 2.0
300,250
1.8 / 2.5V
1.6, 2.0
300,250
3.3
1.6
300
3.3
1.6
300
2.5
2
250
2.5
2
250
Speed
I/O Voltage
Production Status
tCYC (MHz)
(V)
250, 167
2.5
Mass Production
250, 167
2.5
Mass Production
250, 167
3.3, 2.5
Mass Production
250, 167
3.3, 2.5
Mass Production
118
3.3, 2.5
Mass Production
118
3.3, 2.5
Mass Production
250, 167
3.3, 2.5
Mass Production
250, 167
3.3, 2.5
Mass Production
133
3.3, 2.5
Mass Production
133
3.3, 2.5
Mass Production
167
3.3,2.5
Not for new designs
167
3.3,2.5
Not for new designs
250
3.3,2.5
Not for new designs
250
3.3,2.5
Not for new designs
167
2.5
Not for new designs
167
2.5
Not for new designs
250
2.5
Not for new designs
250
2.5
Not for new designs
133
3.3, 2.5
Not for new designs
133
3.3, 2.5
Not for new designs
200
3.3,2.5
Not for new designs
200
3.3,2.5
Not for new designs
133
3.3, 2.5
Not for new designs
I/O Voltage
Production Status
(V)
1.5 (Max 1.8)
Mass Production
1.5 (Max 1.8)
Mass Production
1.5 (Max.2.0)
Mass Production
1.5 (Max.2.0)
Mass Production
1.5 (Max.2.0)
Mass Production
1.5 (Max.2.0)
Mass Production
NtRAM & Late Write RR SRAM
17
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