UT51C164MC-25 데이터 시트보기 (PDF) - Utron Technology Inc
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UT51C164MC-25 Datasheet PDF : 26 Pages
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UTRON
Rev 1.5
UT51C164
256K X 16 BIT EDO DRAM
UTRON
EDO Mode, X16 (2CAS) Device Timing Diagram
― Waveforms of CAS - before - RAS Refresh Counter Test Cycle
RAS
VIH－
V IL－
t CSR(47)
UCAS, VIH－
LCAS VIL－
Address
VIH－
V IL－
Read Cycle
WE
VIH－
V IL－
I/O
VOH－
V OL－
Write Cycle
WE
VIH－
V IL－
OE
VIH－
V IL－
DQ
VIH－
V IL －
t RAS(1)
t CHR(49)
t CP(43)
t RSH(12)
t CAS(5)
t RCS(7)
t LZ(21)
t RWL(31)
t WCS(27)
t WCH(28)
DOUT
t CWL(26)
t DS(32)
t DH(33)
DIN
t RP(3)
t RRH(15)
t RCH(14)
t HZ(22)
Don't Care Undefined
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
19
P90005
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