GS8662S08E GSI [GSI Technology], GS8662S08E Datasheet - Page 17

• Manufacturer Part Number: GS8662S08E
• Description: 72Mb Burst of 2 DDR SigmaSIO-II SRAM
• Manufacturer: GSI [GSI Technology]

HSTL I/O DC Input Characteristics
HSTL I/O AC Input Characteristics
Rev: 1.01 9/2005
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
DC Input Logic High
DC Input Logic Low
Note:
Compatible with both 1.8 V and 1.5 V I/O drivers
AC Input Logic High
AC Input Logic Low
V
Notes:
1.
2.
3.
4.
V
REF
SS
V
V
Undershoot Measurement and Timing
– 1.0 V
V
IL
The peak to peak AC component superimposed on V
To guarantee AC characteristics, V
For devices supplied with HSTL I/O input buffers. Compatible with both 1.8 V and 1.5 V I/O drivers.
See AC Input Definition drawing below.
IH
50%
Peak to Peak AC Voltage
V
REF
V
(ac)
SS
(ac)
IH
Parameter
Parameter
20% tKHKH
IH
,V
IL
, Trise, and Tfall of inputs and clocks must be within 10% of each other.
HSTL I/O AC Input Definitions
Symbol
V
V
IH
IL
REF
Symbol
V
(dc)
(dc)
V
V
REF
17/37
IH
IL
may not exceed 5% of the DC component of V
(ac)
(ac)
(ac)
V
REF
Min
–0.3
V
GS8662S08/09/18/36E-333/300/250/200/167
V
DD
+ 0.1
REF
+ 1.0 V
Overshoot Measurement and Timing
Min
50%
—
—
V
V
DD
+ 0.2
IL
5% V
V
V
V
REF
DDQ
REF
Max
Max
REF
—
20% tKHKH
– 0.2
– 0.1
+ 0.3
(DC)
REF
.
Units
© 2005, GSI Technology
mV
mV
mV
Units
mV
mV
Preliminary
Notes
Notes
3,4
3,4
1
1
1