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AS4DDR232M72APBG-3 Datasheet(PDF) 21 Page - Micross Components

Part # AS4DDR232M72APBG-3
Description  4-bit prefetch architecture
PDF  28 Pages
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Manufacturer  MICROSS [Micross Components]
Direct Link  http://www.micross.com
Logo MICROSS - Micross Components

AS4DDR232M72APBG-3 Datasheet(HTML) 21 Page - Micross Components

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iPEM
2.4 Gb SDRAM-DDR2
AS4DDR232M72APBG
AS4DDR232M72APBG
Rev. 1.1 12/12
21
Micross Components reserves the right to change products or specifications without notice.
Parameter
Symbol
Units
Notes
Supply Voltage
VCC
V1
I/O Supply Voltage
VCCQ
V4
I/O Reference Voltage
VREF
V2
I/O Termination Voltage
VTT
V3
All Voltages referenced to Vss
VREF
VREF + 0.04
0.50 x VCCQ
1.9
0.51 x VCCQ
1.7
0.49 x VCCQ
VREF - 0.04
1.8
MIN
TYP
MAX
1.7
1.8
1.9
DC OPERATING CONDITIONS
Notes:
1. VCC VCCQ must track each other. VCCQ must be less than or equal to VCC.
2. VREF is expected to equal VCCQ/2 of the transmitting device and to track variations in the DC level of the same. Peak-to-peak noise on VREF may not
exceed
± 1 percent of the DC value.
Peak-to-peak AC noise on VREF may not exceed
±2 percent of VREF. This measurement is to be taken at the
nearest VREF bypass capacitor.
3. VTT is not applied directly to the device. VTT is a system supply for signal termination resistors, is expected to be set equal to VREF and must track
variations in the DC level of VREF.
4. VCCQ tracks with VCC track with VCC.
ABSOLUTE MAXIMUM RATINGS
Min
Max
Unit
-1.0
2.3
V
-0.5
2.3
V
-0.5
2.3
V
-55.0
125.0
C
-55.0
125.0
C
-10
10
uA
-10
10
uA
Symbol
Parameter
VCC
VCCQ
VIN, VOUT
TSTG
IQZ
Device Operating Temperature
TCASE
CMD/ADR, RAS\, CAS\
WE\' CS\. CKE
CK, CK\
IVREF
II
Input Leakage current; Any input 0V<VIN<VCC; VREF input
0V<VIN<0.95V; Other pins not under test = 0V
uA
uA
uA
DM
-10.0
10.0
-10.0
-5
10.0
5
Voltage on VCC pin relative to VSS
Voltage on VCCQ pin relative to VSS
Voltage on any pin relative to VSS
Storage Temperature
INPUT / OUTPUT CAPACITANCE
T
A = 25
o
C, f = 1 MHz, V
CC = VCCQ = 1.8V
Parameter
Symbol
Max
Unit
Input capacitance (A0-A12, BA0-BA1)
CADDR
28
pF
Input capacitance (CS#, RAS#, CAS#, WE#, CKE, ODT)
CIN1
10
pF
Input capacitance CK, CK#
CIN2
8
pF
Input capacitance DM, DQS, DQS#
CIN3
10
pF
Input capacitance DQ0-71
COUT
12
pF



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