HMT351U6MFR8C-S6 Datasheet, PDF (25/47 Pages) Hynix Semiconductor – 240pin DDR3 SDRAM Unbuffered DIMMs

HMT351U6MFR8C
HMT351U7MFR8C
Parameter
Differential Output Slew Rate
Symbol
SRQdiff
DDR3-800
Min
Max
5
10
DDR3-1066
Min
Max
5
10
***Description:
SR: Slew Rate
Q: Query Output (like in DQ, which stands for Data-in, Query-Output)
diff: Differential Signals
For Ron = RZQ/7 setting
< Table 6.6.4: Differential Output Slew Rate >
DDR3-1333
Min
Max
5
10
6.5 Overshoot and Undershoot Specifications
6.5.1 Address and Control Overshoot and Undershoot Specifications
Units
V/ns
Description
Maximum peak amplitude allowed for
overshoot area (see Figure)
Maximum peak amplitude allowed for
undershoot area (see Figure)
Maximum overshoot area above VDD
(See Figure)
Maximum undershoot area below VSS
(See Figure)
DDR3-800
0.4V
0.4V
0.67 V-ns
0.67 V-ns
Specification
DDR3-1066
0.4V
0.4V
0.5 V-ns
0.5 V-ns
DDR3-1333
0.4V
0.4V
0.4 V-ns
0.4 V-ns
< Table 6.5.1: AC Overshoot/Undershoot Specification for Address and Control Pins >
< Figure 6.5.1: Address and Control Overshoot and Undershoot Definition >
Maximum Amplitude
Overshoot Area
Volts
(V)
VDD
VSS
Maximum Amplitude
Time (ns)
Undershoot Area
Rev. 0.3 / Jan 2009
25