K4C561638C-TCD4000 Datasheet, PDF (5/42 Pages) Samsung semiconductor – 256Mb Network-DRAM

K4C5608/1638C
Pin Names
Pin
A0 to A14
BA0, BA1
DQ0 to DQ7 (x8)
DQ0 to DQ15 (x16)
CS
FN
PD
CK, (CK)
DQS (X8)
UDQS/LDQS (X16)
Vdd
Vss
VddQ
VssQ
V_REF
NC1,NC2
Name
Address Input
Bank Address
Data Input/Output
Chip Select
Function Control
Power Down Control
Clock Input
Write/Read Data Strobe
Power(+2.5V)
Ground
Power (+2.5V)
(for I/O buffer)
Ground
(for I/O buffer)
Reference Voltage
No Connection
256Mb Network-DRAM
Pin Assignment (Top View)
K4C561638C-TC
K4C560838C-TC
Vdd Vdd 1
DQ0 DQ0 ₂
VddQ VddQ ₃
DQ1 NC² 4
DQ2 DQ1 ₅
VssQ VssQ ₆
DQ3 NC² 7
DQ4 DQ2
VddQ VddQ
8 _{400mil Width}
9 _{875mil Length}
DQ5 NC² 10
DQ6 DQ3 11
VssQ VssQ 12 _{66Pin TSOP II}
DQ7 NC² 13
NC¹ NC^{1 14}
VddQ VddQ ¹⁵
LDQS NC^{2 16}
NC¹
Vdd
NC¹
Vdd
17
18
NC¹
NC¹
19
20
NC² NC² ₂₁
A14 A14 ₂₂
A13 A13 ₂₃
FN
CS
NC¹
FN
CS
NC¹
24
25
26
BA0
BA1
A10
BA0
BA1
A10
27
28
A0 A0 ²⁹
A1 A1 ³⁰
A2 A2 ³¹
A3 A3 ³²
Vdd Vdd ³³
0.65mm
Lead Pitch
66 Vss Vss
65 ^{DQ7 DQ15}
64 ^{VssQ VssQ}
63 NC² DQ14
62 DQ6 DQ13
61 ^{VddQ VddQ}
60 NC² DQ12
59 DQ5 DQ11
58 VssQ VssQ
57 NC² DQ10
56 DQ4 DQ9
55 VddQ VddQ
54 _NC² _DQ8
53 _NC1 _NC1
52 _{VssQ VssQ}
51 _{DQS UDQS}
50 _NC1 _NC1
49 _{VREF VREF}
48 _{Vss Vss}
47 _NC2 _NC2
46 _{CK CK}
45 _{CK CK}
44 _{PD PD}
43 _NC1 _NC1
42 _{A12 A12}
41 _{A11 A11}
40 _{A9 A9}
39 _{A8 A8}
38 A7 A7
37 A6 A6
36 A5 A5
35 A4 A4
34 ^{Vss Vss}
-5-
REV. 0.7 Aug. 2003