A
A
T
T
P
P
A
A
4
4
B
B
3
3
2
2
Q
Q
B
B
4
4
B
B
N
N
R
R
C
C
S
S
E
E
Y
Y
o
o
u
u
r
r
U
U
l
l
t
t
i
i
m
m
a
a
t
t
e
e
M
M
e
e
m
m
o
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r
r
y
y
S
S
o
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l
l
u
u
t
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!
!
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Tel. (408) 732-5000 Fax (408) 732-5055
Page 5 of 12
FUNCTIONAL BLOCK DIAGRAM (PART1 OF 3)
BG[0:1]A -> BG[0:1]: SDRAMs U[0:3], U[8:12], U[17:21], U[26:30], U35
ODT0
BG[0:1]
CKE0
CS0_n
ACT_n
A0-A17
RESET_n
R
E
G
I
S
T
E
R
CK0_t
CK0_c
CK1_t
CK1_c
Y0_t -> CK_t: SDRAMs U[4:7], U[22:25]
QRST_n -> RESET_n: All SDRAMs
BA[0:1]
BG[0:1]B -> BG[0:1]: SDRAMs U[4:7], U[13:16], U[22:25], U[31:34]
A[0:17]A->A[0:17]: SDRAMs U[0:3], U[8:12], U[17:21], U[26:30], U35
A[0:17]B->A[0:17]: SDRAMs U[0:3], U[8:12], U[17:21], U[26:30], U35
ACTB_n -> ACT_n: SDRAMs U[4:7], U[13:16], U[22:25], U[31:34]
ACTA_n -> ACT_n: SDRAMs U[0:3], U[8:12], U[17:21], U[26:30], U35
CKE0A -> CKE: SDRAMs U[0:3], U[8:12], U18
CKE0B -> CKE: SDRAMs U[4:7], U[13:16]
ODT0B -> ODT: SDRAMs U[4:7], U[13:16]
ODT0A -> ODT: SDRAMs U[0:3], U[8:12], U18
CS0B_n -> CS_n: SDRAMs U[4:7], U[13:16]
CS0A_n -> CS_n: SDRAMs U[0:3], U[8:12], U18
C[2:0]B -> C[2:0]: SDRAMs U[4:7], U[13:16], U[22:25], U[31:34]
C[2:0]A -> C[2:0]: SDRAMs U[0:3], U[8:12], U[17:21], U[26:30], U35
C[0:2]
PARITY
PARA -> PAR: SDRAMs U[0:3], U[8:12], U[17:21], U[26:30], U35
PARB -> PAR: SDRAMs U[4:7], U[13:16], U[22:25], U[31:34]
CKE1B -> CKE: SDRAMs U[22:25], U[31:34]
CKE1A -> CKE: SDRAMs U[18:21], U[26:30], U35
CKE1
ODT1A -> ODT: SDRAMs U[18:21], U[26:30], U35
ODT1B -> ODT: SDRAMs U[4:7], U[13:16]
ODT1
CS1A_n -> CS_n: SDRAMs U[18:21], U[26:30], U35
CS1B_n -> CS_n: SDRAMs U[4:7], U[13:16]
CS1_n
Y1_t -> CK_t: SDRAMs U[0:3], U8, U[18:21], U26
Y3_t -> CK_t: SDRAMs U[9:12], U17, U[27:30], U35
Y2_t -> CK_t: SDRAMs U[13:16], U[31:34]
ERROR_IN_n <- ALERT_n: All SDRAMs
ALERT_n
BA[0:1]B -> BA[0:1]: SDRAMs U[4:7], U[13:16], U[22:25], U[31:34]
BA[0:1]A -> BA[0:1]: SDRAMs U[0:3], U[8:12], U[17:21], U[26:30], U35
Y2_c -> CK_c: SDRAMs U[13:16], U[31:34]
Y3_c -> CK_c: SDRAMs U[9:12], U17, U[27:30], U35
Y1_c -> CK_c: SDRAMs U[0:3], U8, U[18:21], U26
Y0_c -> CK_c: SDRAMs U[4:7], U[22:25]
Note 1
CK0_t, CK0_c terminated with 120± 5% resistor.
Note 2 CK1_t, CK1_c terminated with 120± 5% resistor but not used.
Note 3 Unless otherwise noted resistors are 22± 5%.