W3DG7216V-D2 Datasheet, PDF (1/5 Pages) White Electronic Designs Corporation – 64MB- 8Mx72 SDRAM W/ PLL, REGISTER AND SPD

White Electronic Designs
W3DG7216V-D2
64MB- 8Mx72 SDRAM W/ PLL, REGISTER AND SPD
FEATURES
Burst Mode Operation
Auto and Self Refresh capability
LVTTL compatible inputs and outputs
Serial Presence Detect with EEPROM
Fully synchronous: All signals are registered on the
positive edge of the system clock
Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
3.3V ± 0.3V Power Supply
168 Pin DIMM JEDEC
DESCRIPTION
The W3DG7216V is a 16Mx72 synchronous DRAM
module which consists of nine 16Mx8 SDRAM components
in TSOP II package, two 18 bit Drive ICs for input control
signal and one 2Kb EEPROM in an 8 pin TSSOP package
for Serial Presence Detect which are mounted on a 168
pin DIMM multilayer FR4 Substrate.
* This product is subject to change without notice.
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN FRONT PIN BACK PIN FRONT PIN BACK PIN BACK PIN BACK
1
VSS 29 DQM1 57 DQ18 85 VSS 113 DQM5 141 DQ50
2 DQ0 30 CS0# 58 DQ19 86 DQ32 114 *CS1# 142 DQ51
3
DQ1 31 DNU 59
VCC
87 DQ33 115 RAS# 143
VCC
4
DQ2 32
VSS
60 DQ20 88 DQ34 116
VSS
144 DQ52
5
DQ3 33
A0
61
NC 89 DQ35 117
A1
145
NC
6
VCC
34
A2
62 *VREF 90 VCC 118
A3
146 *VREF
7
DQ4 35
A4
63 *CKE1 91 DQ36 119
A5
147 REGE
8
DQ5 36
A6
64
VSS
92 DQ37 120
A7
148
VSS
9
DQ6 37
A8
65 DQ21 93 DQ38 121
A9
149 DQ53
10 DQ7 38 A10/AP 66 DQ22 94 DQ39 122 BA0 150 DQ54
11 DQ8 39 BA1 67 DQ23 95 DQ40 123 A11 151 DQ55
12
VSS
40
VCC
68
VSS
96
VSS 124
VCC
152
VSS
13 DQ9 41 VCC 69 DQ24 97 DQ41 125 *CK1 153 DQ56
14 DQ10 42 CK0 70 DQ25 98 DQ42 126 *A12 154 DQ57
15 DQ11 43
VSS
71 DQ26 99 DQ43 127
VSS
155 DQ58
16 DQ12 44 DNU 72 DQ27 100 DQ44 128 CKE0 156 DQ59
17 DQ13 45 CS2# 73 VCC 101 DQ45 129 *CS3# 157 VCC
18 VCC 46 DQM2 74 DQ28 102 VCC 130 DQM6 158 DQ60
19 DQ14 47 DQM3 75 DQ29 103 DQ46 131 DQM7 159 DQ61
20 DQ15 48 DNU 76 DQ30 104 DQ47 132 *A13 160 DQ62
21 CB0 49 VCC 77 DQ31 105 CB4 133 VCC 161 DQ63
22 CB1 50
NC
78
VSS 106 CB5 134
NC
162
VSS
23
VSS
51
NC
79 *CK2 107 VSS 135
NC
163 *CK3
24 NC 52 CB2 80 NC 108 NC 136 CB6 164 NC
25 NC 53 CB3 81 NC 109 NC 137 CB7 165 **SA0
26
VCC
54
VSS
82 **SDA 110 VCC 138
VSS
166 **SA1
27 WE# 55 DQ16 83 **SCL 111 CAS# 139 DQ48 167 *SA2
28 DQM0 56 DQ17 84 VCC 112 DQM4 140 DQ49 168 VCC
PIN NAMES
A0 – A11
BA0-1
Address Input (Multiplexed)
Select Bank
DQ0-63
Data Input/Output
CB0-7
Check Bit (Data-In/Data-Out)
CK0
Clock Input
CKE0
Clock Enable Input
CS0#, CS2# Chip Select Input
RAS#
Row Address Strobe
CAS#
Column Address Strobe
WE#
Write Enable
DQM0-7
VCC
VSS
*VREF
REGE
DQM
Power Supply (3.3V)
Ground
Power Supply for Reference
Register Enable
SDA
Serial Data I/O
SCL
Serial Clock
SA0-2
Address in EEPROM
DNU
Do Not Use
NC
No Connect
* These pins are not used in this module.
** These pins should be NC in the system which does
not support SPD.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
September, 2002
Rev. 0
1
White Electronic Designs Corporation • [phone] • www.wedc.com