UTRON
Rev 1.5
UT51C164
256K X 16 BIT EDO DRAM
UTRON EDO Mode, X16 (2CAS) Device Timing Diagram
― EDO Page Mode Read Cycle
RAS
V IH -
V IL -
t CRP(13)
UCAS, VIH -
LCAS V IL -
t ASR(8)
Address V IH -
V IL -
WE
V IH -
V IL -
OE
V IH -
V IL -
DQ
V OH -
V OL -
t AR(23)
t RCD(6)
t RAS(1)
⌇⌇
t PC(42)
t CAS(5)
t CP(43) t CAS(5)
⌇⌇
t RSH(12)
t CAS(5)
t RAH(9)
ROW
ADDRESS
t CSH(4)
t ASC(10)
COLUMN
ADDRESS
t RCS(7)
t
t
CAH(11)
RCH(14)
t CAH(11)
COLUMN
ADDRESS
t RCS(7)
t ASC(10)
⌇⌇
⌇⌇
⌇⌇
t CAR(44)
t CAH(11)
COLUMN
ADDRESS
t RCS(7)
t RP(3)
t CRP(13)
t RCH(14)
t CAA(20)
t OAC(17)
t RAC(19)
t CAC(18)
t LZ(21)
t CAP(45)
t CAA(20)
t OES(52)
t COH(5)
t CAC(18)
⌇⌇
⌇⌇
t OEP(54)
t HZ(22)
VALID
DATA OUT
VALID
DATA OUT
t OAC(17)
t CAC(18)
t LZ
t RRH(15)
t HZ(22)
t HZ(22)
t HZ(22)
VALID
DATA OUT
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
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