SSTUAF32868AHLF IDT, Integrated Device Technology Inc, SSTUAF32868AHLF Datasheet - Page 14

• Manufacturer Part Number: SSTUAF32868AHLF
• Description: IC REGIST BUFF 25BIT DDR2 176BGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of SSTUAF32868AHLF

• Logic Type: 1:1, 1:2 Configurable Registered Buffer
• Supply Voltage: 1.7 V ~ 1.9 V
• Number Of Bits: 28
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 176-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28-BIT CONFIGURABLE REGISTERED BUFFER FOR DDR2
ICSSSTUAF32868A
28-BIT CONFIGURABLE REGISTERED BUFFER FOR DDR2
Timing Requirements Over Recommended Operating Free-Air Temperature
Range
Switching Characteristics Over Recommended Free Air Operating Range
(unless otherwise noted)
Symbol Parameter
t
Symbol
PDMSS
t
t
f
t
INACT
1
2
a minimum time of t
3
of t
t
t
f
MAX
PDM
ACT
t
t
PLH
PHL
CLOCK
LH
HL
t
t
SU
t
W
H
INACT
This parameter is not production tested.
V
V
1,2
1,3
REF
REF
Max Input Clock Frequency
Propagation Delay, single bit switching, CLK↑ to CLK↓ to Qn
Propagation Delay, simultaneous switching, CLK↑ to CLK↓ to
Qn
LOW to HIGH Propagation Delay, CLK↑ to CLK↓ to QERR
HIGH to LOW Propagation Delay, CLK↑ to CLK↓ to QERR
HIGH to LOW Propagation Delay, RESET↓ to Qn↓
LOW to HIGH Propagation Delay, RESET↓ to QERR↑
(max) after RESET is taken LOW.
must be held at a valid input voltage level and data inputs must be held at valid voltage levels for
data and clock inputs must be held at valid input voltage levels (not floating) for a minimum time
Parameter
Clock Frequency
Pulse Duration, CLK, CLK HIGH or LOW
Differential Inputs Active Time
Differential Inputs Inactive Time
Setup
Time
Time
Hold
ACT
DCS0 before CLK↑ , CLK↓, DCS1 and CSGEN
HIGH; DCS1 before CLK↑ , CLK↓, DCS0 and
CSGEN HIGH;
DCS0 before CLK↑ , CLK↓, DCS1 LOW and CSGEN
HIGH or LOW; DCS1 before CLK↑ , CLK↓, DCS0
LOW and CSGEN HIGH or LOW
DODTn, DCKEn, PAR_IN, and data before CLK↑ ,
CLK↓
DCSn, DODT,n DCKEn, and data after CLK↑ , CLK↓
PAR_IN after CLK↑ , CLK↓
(max) after RESET is taken HIGH.
14
COMMERCIAL TEMPERATURE GRADE
V
V
Min.
DD
410
1.3
1.2
DD
Min.
1
0.7
0.5
0.5
0.5
0.5
1
= 1.8V ± 0.1V
ICSSSTUAF32868A
= 1.8V ± 0.1V
Max.
Max.
1.9
2.4
410
2
3
3
3
10
15
Units
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7094/15