HYS64T128920HU QIMONDA [Qimonda AG], HYS64T128920HU Datasheet - Page 33

• Manufacturer Part Number: HYS64T128920HU
• Description: 240-Pin Unbuffered DDR2 SDRAM Modules
• Manufacturer: QIMONDA [Qimonda AG]

1)
2)
3) Definitions for
4) For two rank modules: All active current measurements in the same
5) For details and notes see the relevant Qimonda component data sheet
6)
Rev. 1.41, 2007-05
03292006-EZUJ-JY4S
Parameter
Distributed Refresh Current
t
commands, Other control and address inputs are SWITCHING, Data bus inputs are SWITCHING.
Self-Refresh Current
CKE ≤ 0.2 V; external clock off, CK and CK at 0 V; Other control and address inputs are FLOATING, Data
bus inputs are FLOATING.
All Bank Interleave Read Current
All banks are being interleaved at minimum
and address bus inputs are STABLE during DESELECTS.
Parameter
LOW
STABLE
FLOATING
SWITCHING
CK
V
I
Mode
I
buffers can be disabled using an EMRS(1) (Extended Mode Register Command) by setting A12 bit to HIGH.
=
DD
DD1
DDQ
t
CK.MIN.
specifications are tested after the device is properly initialized and
,
I
= 1.8 V ± 0.1 V;
DD4R
, Refresh command every
and
I
I
DD
Description
V
Inputs are stable at a HIGH or LOW level
Inputs are
Inputs are changing between HIGH and LOW every other clock (once per 2 cycles) for address and control
signals, and inputs changing between HIGH and LOW every other data transfer (once per cycle) for DQ
signals not including mask or strobes
DD7
IN
see
current measurements are defined with the outputs disabled (
≤
V
V
Table 23
DD
IL(ac).MAX
= 1.8 V ± 0.1 V
V
I
DD6
REF
, HIGH is defined as
current values are guaranteed up to
=
V
DDQ
t
RFC
/2
=
t
RC
t
REFI
without violating
interval, CKE is LOW and CS is HIGH between valid
V
IN
≥
V
I
IH(ac).MIN
out
33
= 0 mA.
I
t
DD
RRD
I
DD
current mode. The other rank is in
T
parameter are specified with ODT disabled.
using a burst length of 4. Control
CASE
HYS[64/72]T[32/64/128]xx0HU–[3/3S/3.7/5]–A
I
of 85 °C max.
OUT
= 0 mA). To achieve this on module level the output
Unbuffered DDR2 SDRAM Modules
I
DD2P
Definitions for
Internet Data Sheet
Precharge Power-Down
Symbol Note
I
I
I
DD5D
DD6
DD7
TABLE 23
1)2)3)4)5)
6)
I
DD