
Preliminary
GS8662Q08/09/18/36E-300/250/200/167
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev:  1.01  9/2005
20/35
 2005, GSI Technology
Programmable Impedance HSTL Output Driver DC Electrical Characteristics
Parameter
Symbol
Min.
Max.
Units
Notes 
Output High Voltage
V
OH1
V
DDQ
/2 – 0.12
V
DDQ
/2 + 0.12
V 
1, 3
Output Low Voltage
V
OL1
V
DDQ
/2 – 0.12
V
DDQ
/2 + 0.12
V 
2, 3
Output High Voltage
V
OH2
V
DDQ 
– 0.2
V
DDQ
V 
4, 5
Output Low Voltage
V
OL2
Vss 
0.2
V 
4, 6
Notes:
1.
2.
3.
4.
5.
6.
 I
OH
 = (V
DDQ
/2) / (RQ/5) +/– 15% @ V
OH
 = V
DDQ
/2 (for: 175
≤ 
RQ 
≤
 350
).
 I
OL
 = (V
DDQ
/2) / (RQ/5) +/– 15% @ V
OL
 = V
DDQ
/2 (for: 175
≤
 RQ 
≤
 350
)
.
Parameter tested with RQ = 250
 and V
DDQ 
= 1.5 V or 1.8 V
Minimum Impedance mode, ZQ = V
SS
I
OH
 = –1.0 mA
I
OL
 = 1.0 mA
Operating Currents
Parameter
Symbol
Test Conditions
-300
-250
-200
-167
Notes
0
to 
70°C
–
40
 to 
85°C
0
to 
70°C
–
40
 to 
85°C
0
to 
70°C
–
40
 to 
85°C
0
to 
70°C
–
40
 to 
85°C
Operating Current (x36):  DDR
I
DD
V
DD
 = Max, I
OUT
 = 0 mA
Cycle Time 
≥ 
t
KHKH
 Min
900 mA
920 mA
800 mA
820 mA
670 mA
690 mA
590 mA
610 mA
2, 3
Operating Current (x18):  DDR
I
DD
V
DD
 = Max, I
OUT
 = 0 mA
Cycle Time 
≥ 
t
KHKH
 Min
840 mA
860 mA
740 mA
760 mA
620 mA
640 mA
550 mA
570 mA
2, 3
Operating Current (x9):  DDR
I
DD
V
DD
 = Max, I
OUT
 = 0 mA
Cycle Time 
≥ 
t
KHKH
 Min
840 mA
860 mA
740 mA
760 mA
620 mA
640 mA
550 mA
570 mA
2, 3
Operating Current (x8):  DDR
I
DD
V
DD
 = Max, I
OUT
 = 0 mA
Cycle Time 
≥ 
t
KHKH
 Min
840 mA
860 mA
740 mA
760 mA
620 mA
640 mA
550 mA
570 mA
2, 3
Standby Current (NOP):  DDR
I
SB1
Device deselected,
I
OUT 
= 0 mA, f = Max,
All Inputs 
≤ 
0.2 V or 
≥ 
V
DD 
– 0.2 V 
330 mA
340 mA
300 mA
310 mA
280 mA
290 mA
260 mA
270 mA
2, 4
Notes: 
1.
2.
3.
4.
Power measured with output pins floating.
Minimum cycle, I
OUT
 = 0 mA
Operating current is calculated with 50% read cycles and 50% write cycles.
Standby Current is only after all pending read and write burst operations are completed.