K4H561638F Samsung semiconductor, K4H561638F Datasheet - Page 17

• Manufacturer Part Number: K4H561638F
• Description: 256Mb F-die DDR SDRAM Specification
• Manufacturer: Samsung semiconductor

Table 4 : Input/Output Setup & Hold Derating for Rise/Fall Delta Slew Rate
Table 5 : Output Slew Rate Characteristice (X16 Devices only)
Table 6 : Output Slew Rate Matching Ratio Characteristics
DDR SDRAM 256Mb F-die (x8, x16)
PARAMETER
Output Slew Rate Matching Ratio (Pullup to Pulldown)
Slew Rate Characteristic
Delta Slew Rate
+/- 0.25 V/ns
+/- 0.0 V/ns
+/- 0.5 V/ns
Pullup Slew Rate
Pulldown slew
AC CHARACTERISTICS
+100
tDS
+50
0
Typical Range
1.2 ~ 2.5
1.2 ~ 2.5
(V/ns)
+100
tDH
+50
0
Minimum
(V/ns)
0.7
0.7
TBD
MIN
DDR266
Units
ps
ps
ps
Maximum
MAX
TBD
(V/ns)
5.0
5.0
Notes
0.67
MIN
j
j
j
DDR200
a,c,d,f,g,h
b,c,d,f,g,h
Notes
MAX
1.5
Notes
e,m
Rev. 1.3 October, 2004
DDR SDRAM