UTRON
UT51C164
Rev 1.4
256K X 16 BIT EDO DRAM
UTRON TECHNOLOGY INC.
P90005
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
1
FEATURES
RAS access time: 35, 40, 50, 60
2 CAS Byte/Word Read/Write operation
CAS - before – RAS refresh capability
RAS only and Hidden refresh capability
Early write or output enable controlled write
Extended Data Out operation
Package : 40 pin 400mil SOJ
40 / 44 pin 400mil TSOP-Ⅱ
Single +5V+10% power supply
TTL compatible inputs and outputs
512 refresh cycles /8ms
Speed
-35
-40
-50
-60
tRAC
35ns
40ns
50ns
60ns
tCAA
18ns
20ns
24ns
30ns
tPC
14ns
15ns
19ns
27ns
tCAC
11ns
12ns
14ns
15ns
tRC
70ns
75ns
90ns
110ns
GENERAL DESCRIPTION
The UT51C164 is high speed 5V EDO DRAMs organized as 256K bit X 16 I/O and fabricated with
the CMOS process. The UT51C164 offers a combination of unique features including : EDO Page
Mode operation for higher bandwidth with Page Mode cycle time as short as 14ns. All inputs are
TTL compatible. Input and output capacitance is significantly lowered to increase performance and
minimize loading. These features make the UT51C164 suited for wide variety of high performance
computer systems and peripheral applications
Spanish ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
