W256 Cypress Semiconductor Corp., W256 Datasheet - Page 4

• Manufacturer Part Number: W256
• Description: 12 Output Buffer For 2 DDR And 3 Sdram Dimms
• Manufacturer: Cypress Semiconductor Corp.

Maximum Ratings
Supply Voltage to Ground Potential ..................–0.5 to +7.0V
DC Input Voltage (except BUF_IN) ............ –0.5V to V
Operating Conditions
Electrical Characteristics
VDD3.3
VDD2.5
T
C
C
V
V
I
I
I
I
V
V
I
I
I
V
V
IN
Notes:
IL
IH
OH
OL
DD
DD
DDS
A
2.
OUT
IN
IL
IH
OL
OH
OUT
OC
DC
Parameter
Parameter
Parameter is guaranteed by design and characterization. Not 100% tested in production.
Input LOW Voltage
Input HIGH Voltage
Input LOW Current
Input HIGH Current
Output HIGH Current
Output LOW Current
Output LOW Voltage
Output HIGH Voltage
Supply Current
(DDR-Only mode)
Supply Current
(DDR-Only mode)
Supply Current
Output Voltage Swing
Output Crossing Voltage
Input Clock Duty Cycle
Supply Voltage
Supply Voltage
Operating Temperature (Ambient Temperature)
Output Capacitance
Input Capacitance
Description
[2]
Over the Operating Range
[2]
[2]
Preliminary
Description
For all pins except SMBus
V
V
VDD = 2.375V
V
V
I
I
2.375V
Unloaded outputs, 133 MHz
Loaded outputs, 133 MHz
PWR_DWN# = 0
See Test Circuity (Refer to
Figure 1)
VDD = 2.375V
OL
OH
IN
IN
OUT
OUT
= 12 mA, VDD = 2.375V
= 0V
= V
= –12 mA, VDD =
Test Conditions
DD
= 1V
= 1.2V
DD
+0.5
4
Storage Temperature.................................. –65°C to +150°C
Static Discharge Voltage ........................................... >2000V
(per MIL-STD-883, Method 3015)
3.135
2.375
Min.
(VDD/2)
0
Min.
-0.1
2.0
-18
1.7
0.7
26
48
Typ.
VDD/2
6
5
Typ.
-32
35
VDD +0.6
3.465
2.625
(VDD/2)
Max.
70
Max.
+0.1
400
500
100
0.8
0.6
50
50
52
W256
Unit
Unit
°C
pF
pF
mA
mA
mA
mA
V
V
%
V
V
V
V
V
V
A
A
A