K4R761869A-F Datasheet, PDF (14/20 Pages) Samsung semiconductor – 576Mbit RDRAM (A-die) 1M x 18bit x 32s banks Direct RDRAMTM

K4R761869A
Direct RDRAM^™
Timing Conditions
Table 11: Timing Conditions
Symbol
t_CYCLE
t_CR, t_CF
t_CH, t_CL
t_TR
t_DCW
t_DR, t_DF
t_S, t_H
t_DR1, t_DF1
t_DR2, t_DF2
t_CYCLE1
t_CH1, t_CL1
t_S1
t_H1
Parameter
Min
CTM and CFM cycle times (-1200)
CTM and CFM cycle times (-1066)
CTM and CFM cycle times (-800)
CTM and CFM input rise and fall times. Use the minimum value of
these parameters during testing. (-1200)
CTM and CFM input rise and fall times. Use the minimum value of
these parameters during testing. (-1066,-800)
CTM and CFM high and low times
CTM-CFM differential (MSE/MS=0/0)
CTM-CFM differential (MSE/MS=1/1)^a
1.667
1.875
2.50
0.2
0.2
40%
0.0
0.9
CTM-CFM differential only for 1.875ns and 1.667ns (MSE/MS=1/0)
Domain crossing window
DQA/DQB/ROW/COL input rise/fall times (20% to 80%). Use the
minimum value of these parameters during testing.@ t _CYCLE=1.667ns
DQA/DQB/ROW/COL input rise/fall times (20% to 80%). Use the
minimum value of these parameters during testing.@ t _CYCLE=1.875ns
DQA/DQB/ROW/COL input rise/fall times (20% to 80%). Use the
minimum value of these parameters during testing.@ t _CYCLE=2.50ns
DQA/DQB/ROW/COL-to-CFM set/hold @ t _CYCLE=1.667ns
DQA/DQB/ROW/COL-to-CFM set/hold @ t _CYCLE=1.875ns
DQA/DQB/ROW/COL-to-CFM set/hold @ t _CYCLE=2.50ns
SIO0, SIO1 input rise and fall times
CMD, SCK input rise and fall times
SCK cycle time - Serial control register transactions
SCK cycle time - Power transitions @ t _CYCLE=1.667ns
SCK cycle time - Power transitions @ t _CYCLE=1.875ns
SCK cycle time - Power transitions @ t _CYCLE=2.50ns
SCK high and low times @ t _CYCLE=1.667ns
SCK high and low times @ t _CYCLE=1.875ns
SCK high and low times @ t _CYCLE=2.50ns
CMD setup time to SCK rising or falling edge^e @ t _CYCLE=1.667ns
CMD setup time to SCK rising or falling edge^e @ t _CYCLE=1.875ns
CMD setup time to SCK rising or falling edge^e @ t _CYCLE=2.50ns
CMD hold time to SCK rising or falling edge^e
-0.1
-0.1
0.2
0.2
0.2
0.140^b
0.160^b,c
0.200^b.d
-
-
1000
7.5
7.5
10
3.5
3.5
4.25
1.0
1.0
1.25
1
Max
2.5
2.5
3.33
0.45
0.5
60%
1.0
1.0
0.1
0.1
0.45
0.45
0.65
-
-
-
5.0
2.0
-
-
-
-
-
-
-
-
-
-
-
Unit
Figure(s)
ns
Figure 56
ns
Figure 56
t_CYCLE
t_CYCLE
t_CYCLE
Figure 56
Figure 43
Figure 56
Figure 62
ns
Figure 57
ns
Figure 57
ns
Figure 59
ns
Figure 59
ns
Figure 59
ns
Figure 59
ns
Figure 59
ns
Figure 59
Page 12
Version 1.41 Jan. 2004