English
Language : 

W3E32M72SR-XSBX Datasheet, PDF (11/19 Pages) White Electronic Designs Corporation – 32Mx72 REGISTERED DDR SDRAM
White Electronic Designs W3E32M72SR-XSBX
REGISTER ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
VCC and VCCQ Min Typ Max Unit
II All inputs
VI = VCC or GND
2.7V
-5
+5 µA
Static standby
ICC
Static operating
RESET# = GND
RESET# = VCC, VI = VIH(AC) or VIL(AC)
2.7V
IO = 0
10 µA
112 mA
Dynamic operating
– clock only
RESET# = VCC, VI = VIH(AC) or VIL(AC), CK and CK# switching
50% duty cycle
ICCD
Dynamic operating
– per each data input
RESET# = VCC, VI = VIH(AC) or VIL(AC). CK and CK#
switching 50% duty cycle. All data input switching at one-half
clock frequency, 50% duty cycle
IO = 0
2.5V
56
µA/ MHz
180
µA/clock
MHz
Note: All typical values are at VCC = 2.5V, TA = 25°C.
DDR DC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS (NOTES 1-5, 16)
VCC, VCCQ = +2.5V ± 0.2V; -55°C ≤ TA ≤ +125°C
Parameter/Condition
Supply Voltage (36, 41)
I/O Supply Voltage (36, 41, 44)
Input Leakage Current: Any input 0V ≤ VIN ≤ VCC (All other pins not under test = 0V)
Output Leakage Current: I/Os are disabled; 0V ≤ VOUT ≤ VCCQ
Output Levels: Full drive option (37, 39)
High Current (VOUT = VCCQ - 0.373V, minimum VREF, minimum VTT)
Low Current (VOUT = 0.373V, maximum VREF, maximum VTT)
Output Levels: Reduced drive option (38, 39)
High Current (VOUT = VCCQ - 0.763V, minimum VREF, minimum VTT)
Low Current (VOUT = 0.763V, maximum VREF, maximum VTT)
I/O Reference Voltage (6,44)
I/O Termination Voltage (7, 44)
Symbol
VCC
VCCQ
II
IOZ
IOH
IOL
IOHR
IOLR
VREF
VTT
Min
2.3
2.3
-2
-5
-12
12
-9
9
0.49 x VCCQ
VREF - 0.04
Max
2.7
2.7
2
5
-
-
-
-
0.51 x VCCQ
VREF + 0.04
Units
V
V
µA
µA
mA
mA
mA
mA
V
V
Parameter/Condition
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
AC INPUT OPERATING CONDITIONS
VCC, VCCQ = +2.5V ± 0.2V; -55°C ≤ TA ≤ +125°C
Symbol
Min
VIH
VREF +0.310
VIL
—
Max
—
VREF -0.310
Units
V
V
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2006
Rev. 3
11
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com