MC-4R64CPE6C Datasheet, PDF (3/16 Pages) NEC – Direct Rambus DRAM RIMM Module 64M-BYTE 32M-WORD x 16-BIT

Module Pad Configuration
MC-4R64CPE6C
B1
GND
GND
A1
B2
LDQA7
LDQA8
A2
B3
GND
GND
A3
B4
LDQA5
LDQA6
A4
B5
GND
GND
A5
B6
LDQA3
LDQA4
A6
B7
GND
GND
B8
LDQA1
LDQA2
B9
GND
GND
B10
LCFM
LDQA0
B11
GND
GND
B12
LCFMN
LCTMN
B13
GND
GND
B14
NC
LCTM
B15
GND
GND
B16
LROW2
NC
B17
GND
GND
B18
LROW0
LROW1
B19
GND
GND
E B20
LCOL3
LCOL4
B21
GND
GND
B22
LCOL1
LCOL2
B23
GND
GND
B24
LDQB0
LCOL0
B25
GND
GND
B26
LDQB2
LDQB1
B27
GND
GND
O^B28
LDQB4
LDQB3
B29
GND
GND
B30
LDQB6
LDQB5
B31
GND
GND
B32
LDQB8
LDQB7
B33
GND
GND
B34
LCMD
LSCK
B35
VCMOS
VCMOS
B36
SIN
SOUT
L^B37
VCMOS
VCMOS
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
B38
B39
B40
B41
B42
B43
B44
B45
B46
Side B
B47
B48
B49
B50
B51
B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62
B63
B64
B65
B66
B67
B68
B69
B70
B71
B72
B73
B74
B75
B76
B77
B78
B79
B80
NC
GND
NC
VDD
VDD
NC
NC
NC
NC
NC
NC
NC
NC
VREF
GND
SA0
VDD
SA1
SVDD
SA2
VDD
RCMD
GND
RDQB8
GND
RDQB6
GND
RDQB4
GND
RDQB2
GND
RDQB0
GND
RCOL1
GND
RCOL3
GND
RROW0
GND
RROW2
GND
NC
GND
NC
A38
GND
A39
NC
A40
VDD
A41
VDD
A42
NC
A43
NC
A44
NC
A45
NC
A46
P _SideA
r_NC
A47
NC
A48
NC
A49
NC
A50
o VREF
A51
GND
A52
SCL
A53
VDD
A54
SDA
A55
SVDD
A56
SWP
A57
VDD
A58
d RSCK
A59
GND
A60
RDQB7
A61
GND
A62
RDQB5
A63
GND
A64
RDQB3
A65
GND
A66
u _RDQB1
A67
GND
A68
RCOL0
A69
GND
A70
RCOL2
A71
GND
A72
RCOL4
A73
GND
A74
c _RROW1
A75
GND
A76
NC
A77
GND
A78
RCTM
A79
t ^GND
A80
LCFM, LCFMN,
RCFM, RCFMN : Clock from master
LCTM, LCTMN,
RCTM, RCTMN : Clock to master
LCMD, RCMD : Serial Command Pad
LROW2 - LROW0,
RROW2 - RROW0 : Row bus
LCOL4 - LCOL0,
RCOL4 - RCOL0 : Column bus
LDQA8 - LDQA0,
RDQA8 - RDQA0 : Data bus A
LDQB8 - LDQB0,
RDQB8 - RDQB0 : Data bus B
LSCK, RSCK : Clock input
SA0 - SA2 : Serial Presence Detect Address
SCL, SDA : Serial Presence Detect Clock
SIN, SOUT : Serial I/O
SVDD
: SPD Voltage
SWP
: Serial Presence Detect Write Protect
B81
RCFMN
RCTMN
A81
VCMOS
: Supply voltage for serial pads
B82
GND
GND
A82
B83
RCFM
RDQA0
A83
B84
GND
GND
A84
VDD
: Supply voltage
B85
RDQA1
RDQA2
A85
B86
GND
GND
A86
VREF
: Logic threshold
B87
RDQA3
RDQA4
A87
B88
GND
GND
A88
GND
: Ground reference
B89
RDQA5
RDQA6
A89
B90
GND
GND
A90
B91
RDQA7
RDQA8
A91
NC
: These pads are not connected
B92
GND
GND
A92
Preliminary Data Sheet E0051N11
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