W256H Cypress Semiconductor Corp, W256H Datasheet - Page 4

• Manufacturer Part Number: W256H
• Description: IC CLK BUFF 12OUT SDRAM 28SSOP
• Manufacturer: Cypress Semiconductor Corp
• Type: Fanout Buffer (Distribution)r

Specifications of W256H

• Number Of Circuits: 1
• Ratio - Input:output: 1:12
• Differential - Input:output: No/No
• Input: DDR, SDRAM
• Output: DDR, SDRAM
• Frequency - Max: 180MHz
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Frequency-max: 180MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1399

Document #: 38-07256 Rev. *C
Maximum Ratings
Supply Voltage to Ground Potential ..................–0.5 to +7.0V
DC Input Voltage (except BUF_IN) ............ –0.5V to V
Storage Temperature .................................. –65°C to +150°C
Static Discharge Voltage ............................................>2000V
(per MIL-STD-883, Method 3015)
Operating Conditions
Electrical Characteristics
V
V
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
2. Multiple Supplies: The voltage on any input or I/O pin cannot exceed the power pin during power-up. Power supply sequencing is NOT required.
3. Parameter is guaranteed by design and characterization. Not 100% tested in production.
A
DD3.3
DD2.5
OUT
IN
IL
IH
OL
OH
OUT
OC
Parameter
DC
Parameter
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]
[3]
Over the Operating Range
[3]
[3]
Description
For all pins except SMBus
V
V
V
V
V
V
I
I
Unloaded outputs, 133 MHz
Loaded outputs, 133 MHz
PWR_DWN# = 0
See Test Circuity (Refer to
Figure 1)
OL
OH
IN
IN
DD
OUT
DD
OUT
= 12 mA, V
= 0V
= –12 mA, V
= V
= 2.375V
= 2.375V
Test Conditions
DD
= 1V
= 1.2V
DD
+0.5
DD
DD
= 2.375V
= 2.375V
3.135
2.375
Min.
(V
0
Min.
–0.1
–18
2.0
1.7
0.7
DD
26
48
/2)
Typ.
V
6
5
Typ.
–32
DD
35
/2
V
3.465
2.625
Max.
(V
DD
70
Max.
+0.1
400
500
100
0.8
0.6
DD
50
50
52
+ 0.6
/2)
Page 4 of 9
W256
Unit
Unit
°C
pF
pF
mA
mA
mA
mA
µA
µA
µA
V
V
%
V
V
V
V
V
V