UT51C164 Datasheet, PDF (1/26 Pages) List of Unclassifed Manufacturers – 256K X 16 BIT EDO DRAM

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UTRON
Rev 1.4
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
UT51C164
256K X 16 BIT EDO DRAM
Speed
t_RAC
t_CAA
t_PC
t_CAC
t_RC
-35
35ns
18ns
14ns
11ns
70ns
-40
40ns
20ns
15ns
12ns
75ns
-50
50ns
24ns
19ns
14ns
90ns
-60
60ns
30ns
27ns
15ns
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
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: [phone] FAX: [phone]
1
P90005