HYB18H1G321AF QIMONDA [Qimonda AG], HYB18H1G321AF Datasheet - Page 37

• Manufacturer Part Number: HYB18H1G321AF
• Description: GDDR3 Graphics RAM 1-Gbit GDDR3 Graphics RAM
• Manufacturer: QIMONDA [Qimonda AG]

5.11
Rev. 0.92, 2007-10
06122007-MW7D-3G3M
Symbol Parameter/Condition
I
I
I
I
I
I
I
I
I
I
I
DD0
DD1
DD2P
DD2F
DD2Q
DD3P
DD3N
DD4R
DD4W
DD5B
DD5D
Operating Current - One bank, Activate - Precharge
t
Databus inputs are SWITCHING; Address and control inputs are SWITCHING, CS = HIGH between valid
commands.
Operating Current - One bank, Activate - Read - Precharge
One bank is accessed with
CS = HIGH between valid commands. I
Precharge Power-Down Standby Current
All banks idle, power-down mode, CKE is LOW,
Precharge Floating Standby Current
All banks idle; CS is HIGH, CKE is HIGH,
are STABLE (HIGH).
Precharge Quiet Standby Current
CS is HIGH, all banks idle, CKE is HIGH,
bus inputs are STABLE (HIGH).
Active Power-Down Standby Current
One bank active, CKE is LOW, Address and control inputs are STABLE (HIGH); Data bus inputs are STABLE
(HIGH); standard active power-down mode.
Active Standby Current
One bank active, CS is HIGH, CKE is HIGH,
SWITCHING; Data bus inputs are SWITCHING.
Operating Current - Burst Read
One bank active; Continuous read bursts, CL = CL(min);
are SWITCHING; Iout = 0 mA.
Operating Current - Burst Write
One bank active; Continuous write bursts;
inputs are SWITCHING.
Burst Auto Refresh Current
Refresh command at
command and address inputs are SWITCHING; Data bus inputs are SWITCHING.
Distributed Auto Refresh Current
t
and address inputs are SWITCHING; Data bus inputs are SWITCHING.
CK
CK
=min(
=
t
CKmin
t
CK
; Refresh command every
Operating Current Measurement Conditions
),
t
RC
=min(
t
t
RFC
RC
)
=min(t
t
CK
=min(
RFC
);
t
t
CK
REFI
t
CK
),
out
=min(
; CKE is HIGH, CS is HIGH between valid commands; Other command
t
t
RC
CK
=0 mA
t
CK
t
=min(
=min(
CK
=min(
t
=min(
t
RAS
CK
); CKE is HIGH, CS is HIGH between all valid commands; Other
t
t
t
=
CK
RC
CK
37
t
t
CK
t
=min(
RAS,max
), CL = CL(min), Address and control inputs are SWITCHING;
); Address and control inputs are SWITCHING; Data bus input
CK
), Address and other control inputs STABLE (HIGH), Data
); Address and control inputs are SWITCHING; Data bus
t
t
CK
CK
,
t
), Data bus inputs are STABLE (HIGH).
=min(
CK
Operating Current Measurement Conditions
=min(
t
CK
t
);
CK
t
); Address and control inputs are
RAS
=
t
RAS,max
HYB18H1G321AF–10/11/14
; Address and control inputs
Internet Data Sheet
TABLE 21
1-Gbit GDDR3