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KM416S1120D Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part No. KM416S1120D
Description  512K x 16bit x 2 Banks Synchronous DRAM LVTTL
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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KM416S1120D Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

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KM416S1120D
CMOS SDRAM
- 4 -
Rev. 1.4 (Jun. 1999)
VDD
DQ0
DQ1
VSSQ
DQ2
DQ3
VDDQ
DQ4
DQ5
VSSQ
DQ6
DQ7
VDDQ
LDQM
WE
CAS
RAS
CS
BA
A10/AP
A0
A1
A2
A3
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
PIN CONFIGURATION (TOP VIEW)
VSS
DQ15
DQ14
VSSQ
DQ13
DQ12
VDDQ
DQ11
DQ10
VSSQ
DQ9
DQ8
VDDQ
N.C/RFU
UDQM
CLK
CKE
N.C
A9
A8
A7
A6
A5
A4
VSS
50PIN TSOP (II)
(400mil x 825mil)
(0.8 mm PIN PITCH)
PIN FUNCTION DESCRIPTION
Pin
Name
Input Function
CLK
System Clock
Active on the positive going edge to sample all inputs.
CS
Chip Select
Disables or enables device operation by masking or enabling all inputs except
CLK, CKE and L(U)DQM
CKE
Clock Enable
Masks system clock to freeze operation from the next clock cycle.
CKE should be enabled at least one cycle prior to new command.
Disable input buffers for power down in standby.
A0 ~ A10/AP
Address
Row / column addresses are multiplexed on the same pins.
Row address : RA0 ~ RA10, column address : CA0 ~ CA7
BA
Bank Select Address
Selects bank to be activated during row address latch time.
Selects bank for read/write during column address latch time.
RAS
Row Address Strobe
Latches row addresses on the positive going edge of the CLK with RAS low.
Enables row access & precharge.
CAS
Column Address Strobe
Latches column addresses on the positive going edge of the CLK with CAS low.
Enables column access.
WE
Write Enable
Enables write operation and row precharge.
Latches data in starting from CAS, WE active.
L(U)DQM
Data Input/Output Mask
Makes data output Hi-Z, tSHZ after the clock and masks the output.
Blocks data input when L(U)DQM active.
DQ0 ~ 15
Data Input/Output
Data inputs/outputs are multiplexed on the same pins.
VDD/VSS
Power Supply/Ground
Power and ground for the input buffers and the core logic.
VDDQ/VSSQ
Data Output Power/Ground
Isolated power supply and ground for the output buffers to provide improved noise
immunity.
N.C/RFU
No Connection/
Reserved for Future Use
This pin is recommended to be left No Connection on the device.


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