EM639165TS-5IG Datasheet, PDF (1/53 Pages) Etron Technology, Inc. – 8M x 16 bit Synchronous DRAM (SDRAM)

EtronTech
EM639165
8M x 16 bit Synchronous DRAM (SDRAM)
Advanced (Rev. 2.3, Dec. /2013)
Features
• ^{Fast access time from clock: 4.5/5/5.4 ns}
• ^{Fast clock rate: 200/166/143 MHz}
• ^{Fully synchronous operation}
• ^{Internal pipelined architecture}
• ^{2M word x 16-bit x 4-bank}
• ^{Programmable Mode registers}
- CAS Latency: 2, or 3
- Burst Length: 1, 2, 4, 8, or full page
- Burst Type: Sequential or Interleaved
- Burst stop function
• ^{Auto Refresh and Self Refresh}
• ^{4096 refresh cycles/64ms}
• ^{CKE power down mode}
• ^{Single +3.3V ± 0.3V power supply}
• ^{Industrial Temperature: -40~85°C}
• ^{Interface: LVTTL}
• ^{54-pin 400 mil plastic TSOP II package}
- Pb free and Halogen free
• ^{54-ball 8.0 x 8.0 x 1.2mm (max) FBGA package}
- Pb free and Halogen free
Overview
The EM639165 SDRAM is a high-speed CMOS
synchronous DRAM containing 128 Mbits. It is
internally configured as 4 Banks of 2M word x 16
DRAM with a synchronous interface (all signals are
registered on the positive edge of the clock signal,
CLK). Read and write accesses to the SDRAM are
burst oriented; accesses start at a selected location
and continue for a programmed number of locations
in a programmed sequence. Accesses begin with
the registration of a BankActivate command which
is then followed by a Read or Write command.
The EM639165 provides for programmable
Read or Write burst lengths of 1, 2, 4, 8, or full page,
with a burst termination option. An auto precharge
function may be enabled to provide a self-timed row
precharge that is initiated at the end of the burst
sequence. The refresh functions, either Auto or Self
Refresh are easy to use.
By having a programmable mode register, the
system can choose the most suitable modes to
maximize its performance. These devices are well
suited for applications requiring high memory
bandwidth and particularly well suited to high
performance PC applications.
Table1. Key Specifications
EM639165
tCK3 Clock Cycle time(min.)
tAC3 _{Access time from CLK(max.)}
tRAS Row Active time(min.)
tRC Row Cycle time(min.)
-5I/6I/7I
5/6/7
ns
4.5/5/5.4
ns
40/42/42
ns
55/60/63
ns
Table 2. Ordering Information
Part Number
Frequency
Package
EM639165TS -5IG
200MHz
TSOPII
EM639165TS -6IG
166MHz
TSOPII
EM639165TS -7IG
143MHz
TSOPII
EM639165BM -5IH
200MHz
FBGA
EM639165BM -6IH
166MHz
FBGA
EM639165BM -7IH
143MHz
FBGA
TS: indicates TSOPII Package
BM: indicates 8.0 x 8.0 x 1.2mm FBGA Package
I: indicates Industrial Grade
G: indicates Pb and Halogen Free for TSOPII Package
H: indicates Pb free and Halogen Free for FBGA Package
Etron Technology, Inc.
No. 6, Technology Rd. V, Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C.
TEL: [phone] FAX: [phone]
Etron Technology, Inc. reserves the right to change products or specification without notice.