MT47H128M16HG-3:A Micron Technology Inc, MT47H128M16HG-3:A Datasheet - Page 43

• Manufacturer Part Number: MT47H128M16HG-3:A
• Manufacturer: Micron Technology Inc
• Type: DDR2 SDRAMr

Specifications of MT47H128M16HG-3:A

• Organization: 128Mx16
• Address Bus: 17b
• Access Time (max): 450ps
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 275mA
• Pin Count: 84
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

45. The half-clock of
46. ODT turn-on time
47. ODT turn-off time
48. Half-clock output parameters must be derated by the actual
49. The -187E maximum limit is 2 ×
50. Should use 8
amount of half-clock duty cycle error. For example, if the clock duty cycle was 47/53,
0.03, or 2.47, for
on time
is when the bus is in High-Z. Both are measured from
this will result in each parameter becoming larger. The parameter
ing both
both
t
ERR
t
AON (MAX) is when the ODT resistance is fully on. Both are measured from
t
ERR
5per
t
5per
(MIN) and
CK for backward compatibility.
t
t
(MAX) and
AOF (MIN) and 2.5 + 0.03, or 2.53, for
AOFD’s 2.5
t
t
AON (MIN) is when the device leaves High-Z and ODT resistance begins to turn on. ODT turn-
AOF (MIN) is when the device starts to turn off ODT resistance. ODT turn off time
t
JITdty (MIN).
t
t
JITdty (MAX). The parameter
CK assumes a 50/50 clock duty cycle. This half-clock value must be derated by the
t
CK +
t
AC (MAX) + 1000 but it will likely be 3 x
t
AOFD.
t
AOF (MAX).
t
AOF (MAX) is required to be derated by subtracting
t
ERR
5per
t
AOF (MIN) is required to be derated by subtract-
and
t
JITdty when input clock jitter is present;
t
CK +
t
AC (MAX) + 1000 in the future.
t
t
AOFD would actually be 2.5 -
AOND.
t
AOF (MAX)