71V3556SA133BQI8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Memory Controller
• Characteristics: High-speed, Low-power consumption
• Package: BGA (Ball Grid Array)
• Essence: Control and manage memory operations
• Packaging/Quantity: Single unit per package

Specifications

• Model: 71V3556SA133BQI8
• Operating Voltage: 3.3V
• Memory Type: Synchronous DRAM (SDRAM)
• Memory Size: 256 Megabits (32 Megabytes)
• Speed: 133 MHz
• Interface: Parallel
• Data Width: 16 bits
• Access Time: 5.4 ns
• Refresh Rate: 64 ms

Detailed Pin Configuration

The 71V3556SA133BQI8 IC has a total of 100 pins. The pin configuration is as follows:

1. VDDQ
2. DQ0
3. DQ1
4. DQ2
5. DQ3
6. DQ4
7. DQ5
8. DQ6
9. DQ7
10. DQ8
11. DQ9
12. DQ10
13. DQ11
14. DQ12
15. DQ13
16. DQ14
17. DQ15
18. NC
19. A0
20. A1
21. A2
22. A3
23. A4
24. A5
25. A6
26. A7
27. A8
28. A9
29. A10
30. A11
31. A12
32. A13
33. A14
34. A15
35. A16
36. A17
37. A18
38. A19
39. A20
40. A21
41. A22
42. A23
43. A24
44. A25
45. A26
46. A27
47. A28
48. A29
49. A30
50. A31
51. /CAS
52. /RAS
53. /WE
54. /CS0
55. /CS1
56. /CS2
57. /CS3
58. /CS4
59. /CS5
60. /CS6
61. /CS7
62. /OE
63. /UDQM
64. /LDQM
65. VSSQ
66. VDD
67. VSS
68. NC
69. CLK
70. CKE
71. /CKE
72. /CLK
73. /RESET
74. /SLEEP
75. /PD
76. /PDQ
77. /PDQ
78. /PDQ
79. /PDQ
80. /PDQ
81. /PDQ
82. /PDQ
83. /PDQ
84. /PDQ
85. /PDQ
86. /PDQ
87. /PDQ
88. /PDQ
89. /PDQ
90. /PDQ
91. /PDQ
92. /PDQ
93. /PDQ
94. /PDQ
95. /PDQ
96. /PDQ
97. /PDQ
98. /PDQ
99. /PDQ
100. VSS

Functional Features

• Memory control and management
• High-speed data transfer
• Low-power consumption
• Synchronous operation with the system clock
• Support for multiple chip select signals
• On-chip refresh circuitry

Advantages and Disadvantages

Advantages: - High-speed data transfer allows for efficient memory operations. - Low-power consumption helps in reducing overall system energy usage. - Synchronous operation ensures synchronized data flow with the system clock. - Multiple chip select signals enable flexible memory configuration.

Disadvantages: - Limited memory size (256 Megabits) may not be sufficient for certain applications requiring larger memory capacity. - Parallel interface may have limitations in terms of data transfer speed compared to newer serial interfaces.

Working Principles

The 71V3556SA133BQI8 is a memory controller IC that manages the operations of synchronous DRAM (SDRAM). It controls the flow of data between the memory module and the system, ensuring efficient and reliable data transfer. The IC synchronizes its operations with the system clock, allowing for high-speed data transfer. It also incorporates on-chip refresh circuitry to maintain the integrity of stored data.

Detailed Application Field Plans

The 71V3556SA133BQ