LR38666Y データシートの表示（PDF） - Sharp Electronics
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LR38666Y Datasheet PDF : 38 Pages
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LR38666Y
PIN NO. COORDINATE SYMBOL
40
5K DGND
41
1K
MEMD20
42
6L TEST4Z
43
5L TEST5Z
44
2L
DVDD
45
1L
MEMD21
46
3L
MEMD22
47
1M
MEMD23
48
4L DGND
49
4M
MEMD24
50
2M
DVDD2
51
3M
MEMD25
52
1N
MEMD26
53
4N
MEMD27
54
2N DGND
55
3N
MEMD28
56
1P
DVDD
57
1R
MEMD29
58
3P
MEMD30
59
2P
MEMD31
60
–
NC
61
2R DGND
62
3R MEMLDQM
63
2T MEMUDQM
64
4P MEMRASZ
65
4R MEMCASZ
66
3T
DVDD
67
5P DGND
68
4T MEMCLK
69
5R
DVDD2
70
5N MEMWEZ
71
5M MEMA0
72
6N
MEMA1
73
6P DGND
74
5T
MEMA2
75
6R
DVDD
76
6M MEMA3
77
7M MEMA4
78
6T
MEMA5
79
7N DGND
IO SYMBOL
DESCRIPTION
–
Ground
IO12U Data I/O for SDRAM/external device/GIO20
IU
Test (Must be open.)
IU
–
Power supply (+3.3 V)
IO12U Data I/O for SDRAM/external device/GIO21
IO12U Data I/O for SDRAM/external device/GIO22
IO12U Data I/O for SDRAM/external device/GIO23
–
Ground
IO12U Data I/O for SDRAM/external device/GIO24
–
Internal power supply (+2.5 V)
IO12U Data I/O for SDRAM/external device/GIO25
IO12U Data I/O for SDRAM/external device/GIO26
IO12U Data I/O for SDRAM/external device/GIO27
–
Ground
IO12U Data I/O for SDRAM/external device/GIO28
–
Power supply (+3.3 V)
IO12U Data I/O for SDRAM/external device/GIO29
IO12U Data I/O for SDRAM/external device/GIO30
IO12U Data I/O for SDRAM/external device/GIO31
–
Must be open.
–
Ground
16-bit data mode : Control MEMD7-MEMD0 of SDRAM
O12
32-bit data mode : Control MEMD23-MEMD16 of SDRAM
16-bit data mode : Control MEMD15-MEMD8 of SDRAM
O12
32-bit data mode : Control MEMD31-MEMD24 of SDRAM
O12 SDRAM row address strobe
O12 SDRAM column address strobe
–
Power supply (+3.3 V)
–
Ground
IO12 SDRAM clock output (49.0908 MHz : double of C24MI input)
–
Internal power supply (+2.5 V)
O12 SDRAM write enable
O12
Address for SDRAM/flash memory/external device
O12
–
Ground
O12 Address for SDRAM/flash memory/external device
–
Power supply (+3.3 V)
O12 Address for SDRAM/flash memory/external device
O12 Address for SDRAM/flash memory/external device
O12 Address for SDRAM/flash memory/external device
–
Ground
5
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