HYB3164405J Datasheet, PDF (4/32 Pages) Siemens Semiconductor Group – 16M x 4-Bit Dynamic RAM

TRUTH TABLE
HYB3164(5)405J/T(L)-50/-60
16M x 4-DRAM
FUNCTION
RAS
Standby
Read
Early-Write
Delayed-Write
Read-Modify-Write
Hyper Page Mode Read 1st Cycle
2nd Cycle
Hyper Page Mode Write 1st Cycle
2nd Cycle
Hyper Page Mode RMW 1st Cycle
2st Cycle
RAS only refresh
CAS-before-RAS refresh
Test Mode Entry
Hidden Refresh
READ
WRITE
Self Refresh
(L-version only)
H
L
L
L
L
L
L
L
L
L
L
L
H-L
H-L
L-H-L
L-H-L
H-L
CAS
H-X
L
L
L
L
H-L
H-L
H-L
H-L
H-L
H-L
H
L
L
L
L
L
WRITE
X
H
L
H-L
H-L
H
H
L
L
H-L
H-L
X
H
L
H
L
H
OE
X
L
X
H
L-H
L
L
X
X
L-H
L-H
X
X
X
L
X
X
ROW COL
ADDR ADDR
I/O1-
I/O4
X
X High Impedance
ROW COL
Data Out
ROW COL
Data In
ROW COL
Data In
ROW COL Data Out, Data In
ROW COL
Data Out
n/a COL
Data Out
ROW COL
Data In
n/a COL
Data In
ROW COL Data Out, Data In
n/a COL Data Out, Data In
ROW n/a High Impedance
X
n/a High Impedance
X
n/a High Impedance
ROW COL
Data Out
ROW COL
Data In
X
X High Impedance
Semiconductor Group
92