W191H Cypress Semiconductor Corp, W191H Datasheet - Page 3

• Manufacturer Part Number: W191H
• Manufacturer: Cypress Semiconductor Corp

Specifications of W191H

• Number Of Outputs: 6
• Operating Supply Voltage (max): 3.465V
• Operating Temp Range: 0C to 70C
• Propagation Delay Time: 5ns
• Operating Supply Voltage (min): 3.135V
• Mounting: Surface Mount
• Pin Count: 16
• Operating Supply Voltage (typ): 3.3V
• Package Type: SSOP
• Input Frequency: 133MHz
• Duty Cycle: 55%
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Not Compliant

Table 2. Data Bytes 0–2 Serial Configuration Map
Document #: 38-07008 Rev. *B
Data Byte 0 SDRAM Active/Inactive Register (1 = Enable, 0 = Disable)
Data Byte 1 SDRAM Active/Inactive Register (1 = Enable, 0 = Disable)
Data Byte 2 SDRAM Active/Inactive Register (1 = Enable, 0 = Disable)
Note:
2.
Bit(s)
At power up all SDRAM outputs are enabled and active. Program Reserved bits to 0.
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Pin No.
15
13
11
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
6
3
1
Affected Pin
Pin Name
SDRAM2
SDRAM1
SDRAM0
SDRAM5
SDRAM4
SDRAM3
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Clock Output Disable
Clock Output Disable
Clock Output Disable
Clock Output Disable
Clock Output Disable
Clock Output Disable
Clock Output Disable
Clock Output Disable
Control Function
[2]
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
Low
Low
Low
Low
Low
0
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Bit Control
Active
Active
Active
Active
Active
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
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W191
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