WED416S8030A-SI
White Electronic Designs
2Mx16x 4 Banks Synchronous DRAM
FEATURES
DESCRIPTION
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Single 3.3V power supply
The WED416S8030AxxSI is 134,217,728 bits of
synchronous high data rate DRAM organized as 4 x
2,097, 152 words x 16 bits. Synchronous design allows
precise cycle control with the use of system clock, I/O
transactions are possible on every clock cycle. Range of
operating frequencies, programmable burst lengths and
programmable latencies allow the same device to be useful
for a variety of high bandwidth, high performance memory
system applications.
Fully Synchronous to positive Clock Edge
SDRAM CAS Latentency = 3 (100MHz), 2 (83MHz)
Burst Operation
• Sequential or Interleave
• Burst length = programmable 1,2,4,8 or full page
• Burst Read and Write
• Multiple Burst Read and Single Write
DATA Mask Control per byte
Available in a 54 pin TSOP type II package the
WED416S4030AxxSI is tested over the industrial temp
range (-40°C to +85°C) providing a solution for rugged
main memory applications.
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Auto Refresh (CBR) and Self Refresh
• 4096 refresh cycles across 64ms
Automatic and Controlled Precharge Commands
Suspend Mode and Power Down Mode
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PIN CONFIGURATIONS
PIN DESCRIPTION
CLK
Clock Input
CKE
Clock Enable
VCC
DQ0
VCCQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VCCQ
DQ5
DQ6
VSSQ
DQ7
VCC
1
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
VSS
RAS#
CAS#
WE#
Row Address Strobe
Column Address Strobe
Write Enable
Chip Select
Address Inputs
Bank Select Address
Data Input/Output
Data Input/Output Mask
Power (+3.3V 10ꢀ)
Data Output Power
Ground
2
DQ15
VSSQ
DQ14
DQ13
VCCQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VCCQ
DQ8
VSS
3
4
5
CE#
6
7
A0-A11
BA0, BA1
DQ0-DQ15
L(U)DQM
VCC
VCCQ
VSS
VSSQ
NC
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
LDQM
WE#
CAS#
RAS#
CE#
BA0
NC/RFU
UDQM
CK
Data Output Ground
No Connection
CKE
NC
A11
BA1
A9
A10/AP
A0
A8
A7
A1
A6
A2
A5
A3
A4
VCC
VSS
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
October 2004
Rev. 4
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com