W83178S Winbond Electronics, W83178S Datasheet - Page 2
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W83178S
Manufacturer Part Number
W83178S
Description
Manufacturer
Winbond Electronics
Datasheet
1.W83178S.pdf
(7 pages)
Specifications of W83178S
Number Of Outputs
13
Operating Supply Voltage (max)
3.465V
Operating Temp Range
0C to 70C
Propagation Delay Time
4ns
Operating Supply Voltage (min)
3.135V
Mounting
Surface Mount
Pin Count
28
Operating Supply Voltage (typ)
3.3V
Package Type
SOP
Input Frequency
150MHz
Duty Cycle
55%
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
W83178S
Manufacturer:
WINBOND/华邦
Quantity:
20 000
4. BLOCK DIAGRAM
5. PIN DESCRIPTION
IN - Input
OUT - Output
I/O - Bi-directional Pin
* - Internal 250K
SDRAM [ 0:12]
*SDATA
*SDCLK
BUFFER_IN
V
Vss
DD
SYMBOL
pull-up
11, 12, 18, 19,
Buffer_In
22, 23, 26, 27
2, 3, 6, 7, 10,
1, 5, 13, 20,
4, 8, 16, 17,
SDATA
SCLK
24, 28
21, 25
PIN
14
15
9
Serial port
I/O
I/O
IN
IN
O
-
-
SDRAM clock outputs which have the same
frequency as CPU clocks.
Serial data of I
Serial clock of I
Clock Input from the chipset
Power supply
Circuit ground
- 2 -
device Control
2
Preliminary W83178S
C 2-wire control interface
2
C 2-wire control interface
SDRAM0
SDRAM1
SDRAM2
SDRAM3
SDRAM6
SDRAM8
SDRAM9
SDRAM4
SDRAM5
SDRAM7
SDRAM10
SDRAM11
SDRAM12
FUNCTION