gs8662d08bgd-400i GSI Technology, gs8662d08bgd-400i Datasheet - Page 21

• Manufacturer Part Number: gs8662d08bgd-400i
• Description: 72mb Sigmaquad-ii Tm Burst Of 4 Sram
• Manufacturer: GSI Technology

AC Electrical Characteristics (Continued)
Rev: 1.02a 5/2011
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Hold Times
Address Input Hold Time
Control Input Hold Time (R, W)
Control Input Hold Time
(BWX) (NWX)
Data Input Hold Time
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
All Address inputs must meet the specified setup and hold times for all latching clock edges.
Control signals are R, W.
Control signals are BW0, BW1, and (NW0, NW1 for x8) and (BW2, BW3 for x36).
If C, C are tied high, K, K become the references for C, C timing parameters
To avoid bus contention, at a given voltage and temperature tCHQX1 is bigger than tCHQZ. The specs as shown do not imply bus contention because tCHQX1 is a MIN
parameter that is worst case at totally different test conditions (0°C, 1.9 V) than tCHQZ, which is a MAX parameter (worst case at 70°C, 1.7 V). It is not possible for two SRAMs
on the same board to be at such different voltages and temperatures.
Clock phase jitter is the variance from clock rising edge to the next expected clock rising edge.
V
Echo clock is very tightly controlled to data valid/data hold. By design, there is a ±0.1 ns variation from echo clock to data. The datasheet parameters reflect tester guard bands
and test setup variations.
DD
slew rate must be less than 0.1 V DC per 50 ns for DLL lock retention. DLL lock time begins once V
Parameter
Symbol
t
t
t
t
KHAX
KHDX
KHIX
KHIX
0.28
0.28
Min
0.4
0.4
-400
Max
—
—
—
—
21/34
Min
0.28
0.28
0.4
0.4
-350
Max
—
—
—
—
GS8662D08/09/18/36BD-400/350/333/300/250
Min
0.28
0.28
0.4
0.4
-333
DD
Max
and input clock are stable.
—
—
—
—
Min
0.4
0.4
0.3
0.3
-300
Max
—
—
—
—
Min
0.35
0.35
0.5
0.5
© 2011, GSI Technology
-250
Max
—
—
—
—
Units
ns
ns
ns
ns
1
2
3