K4E171611D, K4E151611D
CMOS DRAMK4E171612D, K4E151612D
This is a family of 1,048,576 x 16 bit Extended Data Out CMOS DRAMs. Extended Data Out Mode offers high speed random access of
memory cells within the same row, so called Hyper Page Mode. Power supply voltage (+5.0V or +3.3V), refresh cycle (1K Ref. or 4K
Ref.), access time (-45, -50 or -60), power consumption(Normal or Low power) and package type(SOJ or TSOP-II) are optional features
of this family. All of this family have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. Furthermore, Selfrefresh operation is available in L-version. This 1Mx16 EDO Mode DRAM family is fabricated using Samsung′ s advanced CMOS process to realize high band-width, low power consumption and high reliability. It may be used as graphic memory unit for microcomputer,
personal computer and portable machines.
• Part Identification
- K4E171611D-J(T) (5V, 4K Ref.)
- K4E151611D-J(T) (5V, 1K Ref.)
- K4E171612D-J(T) (3.3V, 4K Ref.)
- K4E151612D-J(T) (3.3V, 1K Ref.)
• Extended Data Out Mode operation
(Fast Page Mode with Extended Data Out)
• 2 CAS Byte/Word Read/Write operation
• CAS-before-RAS refresh capability
• RAS-only and Hidden refresh capability
• Self-refresh capability (L-ver only)
• TTL(5V)/LVTTL(3.3V) compatible inputs and outputs
• Early Write or output enable controlled write
• JEDEC Standard pinout
• Available in plastic SOJ 400mil and TSOP(II) packages
• Single +5V±10% power supply (5V product)
• Single +3.3V±0.3V power supply (3.3V product)
Control
Clocks
VBB Generator
Refresh Timer
Refresh Control
Refresh Counter
Row Address Buffer
Col. Address Buffer
Row Decoder
Column Decoder
Lower
Data out
Buffer
RAS
UCAS
LCAS
W
Vcc
Vss
DQ0
to
DQ7
A0-A11
(A0 - A9)*1
A0 - A7
(A0 - A9)*1
Memory Array
1,048,576 x16
Cells
SAMSUNG ELECTRONICS CO., LTD. reserves the right to
change products and specifications without notice.
1M x 16Bit CMOS Dynamic RAM with Extended Data Out
DESCRIPTION
FEATURES
FUNCTIONAL BLOCK DIAGRAM
• Refresh Cycles
Part
NO.
VCC
Refresh
cycle
Refresh period
Nor- L-ver
K4E171611D 5V
4K 64ms
128ms
K4E171612D 3.3V
K4E151611D 5V
1K 16ms
K4E151612D 3.3V
• Performance Range
Speed
tRAC tCAC tRC tHPC
Remark
-45 45ns 13ns 69ns 16ns 5V/3.3V
-50 50ns 15ns 84ns 20ns 5V/3.3V
-60 60ns 17ns 104ns 25ns 5V/3.3V
• Active Power Dissipation
Speed
3.3V 5V
4K 1K 4K 1K
-45 360 540 550 825
-50 324 504 495 770
-60 288 468 440 715
Unit : mW
Sense Amps & I/O
Upper
Data in
Buffer
Upper
Data out
Buffer
Lower
Data in
Buffer
DQ8
to
DQ15
OE
Note) *1 : 1K Refresh