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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
10
VIH -
VIL -
RAS VIH -
VIL -
VIH -
VIL -
VIH -
VIL -
UCAS,
LCAS
UCAS,
LCAS
VIH -
VIL -
Address
VIH -
VIL -
WE
VIH -
VIL -
WE
VIH -
VIL -
OE
VIH -
VIL -
OE
VOH -
VOL -
DQ
t RC(2)
t
RAS(1)
tAR(23)
t RP(3)
t CSH(4)
t RCD(6)
t RSH(12)
t CRP(13)
t ASR(8)
t CAS(5)
t CRP(13)
t RAD(24)
t
RAH(9)
t ASC(10)
t CAH(11)
t CAR(24)
t
RCS (7)
t RCH(14)
t RRH(15)
t ROH(16)
t
CAA(20)
t OAC(17)
t OES(52)
t CAC(18)
t RAC(19)
t HZ(22)
t HZ(22)
t
LZ(21)
VALID DATA - OUT
VALID DATA - OUT
COLUMN ADDRESS
UTRON EDO Mode, X16 (2CAS) Device Timing Diagram
―
Waveforms of Read Cycle
ROW
ADDRESS
Don't care
Undefined