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Datasheet> All Categories > storage> storage> VG4632321AQ-55
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VG4632321AQ-55

Description
524,288x32x2-bit cmos synchronous graphic ram
Categorystorage    storage   
File Size2MB，81 Pages
ManufacturerVanguard International Semiconductor Corporation
Websitehttp://www.vis.com.tw/
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VG4632321AQ-55 Overview

524,288x32x2-bit cmos synchronous graphic ram

VG4632321AQ-55 Parametric

Parameter NameAttribute value
MakerVanguard International Semiconductor Corporation
Parts packaging codeQFP
package instructionQFP,
Contacts100
Reach Compliance Codeunknown
ECCN codeEAR99
access modeDUAL BANK PAGE BURST
Maximum access time5 ns
Other featuresAUTO/SELF REFRESH
JESD-30 codeR-PQFP-G100
length20 mm
memory density33554432 bit
Memory IC TypeSYNCHRONOUS GRAPHICS RAM
memory width32
Number of functions1
Number of ports1
Number of terminals100
word count1048576 words
character code1000000
Operating modeSYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize1MX32
Package body materialPLASTIC/EPOXY
encapsulated codeQFP
Package shapeRECTANGULAR
Package formFLATPACK
Certification statusNot Qualified
Maximum seat height3.4 mm
self refreshYES
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationQUAD
width14 mm

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VIS
Overview
Preliminary
VG4632321A
524,288x32x2-Bit
CMOS Synchronous Graphic RAM
The VG4632321A SGRAM is a high-speed CMOS synchronous graphic RAM containing 32M bits. It is
internally configured as a dual 512K x 32 DRAM with a synchronous interface (all signals are registered on
the positive edge of the clock signal, CLK). Each of the 512K x 32 bit bank is organized as 2048 rows by 256
columns by 32 bits. Read and write accesses to the SGRAM are burst oriented; accesses start at a selected
location and continue for a programmed number of locations in a programmed sequence. Accesses begin
with the registration of a BankActivate command which is then followed by a Read or Write command.
The VG4632321A provides for programmable Read or Write burst lengths of 1, 2, 4, 8, or full page, with
burst termination option. An Auto Precharge function may be enabled to provide a self-timed row precharge
that is initiated at the end of the burst sequence. The refresh functions, either Auto or Self Refresh are easy
to use. In addition, it features the write per bit and the masked block write functions.
By having a programmable Mode register and special mode register, the system can choose the best
suitable modes to maximize its performance. These devices are well suited for applications requiring high
memory bandwidth, and when combined with special graphics functions result in a device particularly well
suited to high performance graphics applications.
Pin Assignment (Top View)
DQ29
V
SSQ
DQ30
DQ31
V
SS
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
V
DD
DQ0
DQ1
V
SSQ
DQ2
Features
DQ3
V
DDQ
DQ4
DQ5
V
SSQ
DQ6
DQ7
V
DDQ
DQ16
DQ17
V
SSQ
DQ18
DQ19
V
DDQ
V
DD
V
SS
DQ20
DQ21
V
SSQ
DQ22
DQ23
V
DDQ
DQM0
DQM2
WE
CAS
RAS
CS
BS
A9
1
2
3
4
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
81
82
83
84
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Fast access time from clock: 4.5/5/5.5/6/7ns
Fast clock rate: 222/200/183/166/143MHz
Fully synchronous operation
Internal pipelined architecture
Dual internal banks(512K x 32-bit x 2-bank)
Programmable Mode and Special Mode registers
- CAS Latency: 1, 2, or 3
- Burst Length: 1, 2, 4, 8, or full page
- Burst Type: interleaved or linear burst
- Burst Read Single Write
- Load Color or Mask register
Burst stop function
Individual byte controlled by DQM0-3
Block write and write-per-bit capability
Auto Refresh and Self Refresh
2048 refresh cycles/32ms
Single + 3.3V
±
0.3V
power supply
Interface: LVTTL
JEDEC 100-pin Plastic QFP package
80
79
78
77
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
DQ28
V
DDQ
DQ27
DQ26
V
SSQ
DQ25
DQ24
V
DDQ
DQ15
DQ14
V
SSQ
DQ13
DQ12
V
DDQ
V
SS
V
DD
DQ11
DQ10
V
SSQ
DQ9
DQ8
V
DDQ
NC
DQM3
DQM1
CLK
CKE
DSF
NC
A8/AP
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
50
49
48
47
A7
A6
A5
A4
V
SS
A10
NC
NC
NC
NC
NC
NC
NC
NC
NC
V
DD
A3
A2
A1
A0
Key Specifications
VG4632321A
t
CK
t
RAS
t
AC
t
RC
Clock Cycle time(min.)
Row Active time(min.)
Access time from CLK(max.)
Row Cycle time(min.)
-4.5/-5/-5.5/-6/-7
4.5/5/5.5/6/7 ns
40/40/40/42/42 ns
4/4.5/5/5.5/6 ns
55/55/56.5/60/62 ns
Document:
Rev.1
Page 1

VG4632321AQ-55 Related Products

VG4632321AQ-55 VG4632321A VG4632321AQ-45 VG4632321AQ-6 VG4632321AQ-5 VG4632321AQ-7R VG4632321AQ-7 VG4632321AQ-55R VG4632321AQ-6R VG4632321AQ-5R
Description 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram 524,288x32x2-bit cmos synchronous graphic ram
Maker Vanguard International Semiconductor Corporation - Vanguard International Semiconductor Corporation Vanguard International Semiconductor Corporation Vanguard International Semiconductor Corporation Vanguard International Semiconductor Corporation Vanguard International Semiconductor Corporation Vanguard International Semiconductor Corporation Vanguard International Semiconductor Corporation Vanguard International Semiconductor Corporation
Parts packaging code QFP - QFP QFP QFP QFP QFP QFP QFP QFP
package instruction QFP, - QFP, QFP, QFP, QFP, QFP, QFP, QFP, QFP,
Contacts 100 - 100 100 100 100 100 100 100 100
Reach Compliance Code unknown - unknown unknown unknown unknown unknown unknown unknown unknown
ECCN code EAR99 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
access mode DUAL BANK PAGE BURST - DUAL BANK PAGE BURST DUAL BANK PAGE BURST DUAL BANK PAGE BURST DUAL BANK PAGE BURST DUAL BANK PAGE BURST DUAL BANK PAGE BURST DUAL BANK PAGE BURST DUAL BANK PAGE BURST
Maximum access time 5 ns - 4 ns 5.5 ns 4.5 ns 6 ns 6 ns 5 ns 5.5 ns 4.5 ns
Other features AUTO/SELF REFRESH - AUTO/SELF REFRESH AUTO/SELF REFRESH AUTO/SELF REFRESH AUTO/SELF REFRESH AUTO/SELF REFRESH AUTO/SELF REFRESH AUTO/SELF REFRESH AUTO/SELF REFRESH
JESD-30 code R-PQFP-G100 - R-PQFP-G100 R-PQFP-G100 R-PQFP-G100 R-PQFP-G100 R-PQFP-G100 R-PQFP-G100 R-PQFP-G100 R-PQFP-G100
length 20 mm - 20 mm 20 mm 20 mm 20 mm 20 mm 20 mm 20 mm 20 mm
memory density 33554432 bit - 33554432 bit 33554432 bit 33554432 bit 33554432 bit 33554432 bit 33554432 bit 33554432 bit 33554432 bit
Memory IC Type SYNCHRONOUS GRAPHICS RAM - SYNCHRONOUS GRAPHICS RAM SYNCHRONOUS GRAPHICS RAM SYNCHRONOUS GRAPHICS RAM SYNCHRONOUS GRAPHICS RAM SYNCHRONOUS GRAPHICS RAM SYNCHRONOUS GRAPHICS RAM SYNCHRONOUS GRAPHICS RAM SYNCHRONOUS GRAPHICS RAM
memory width 32 - 32 32 32 32 32 32 32 32
Number of functions 1 - 1 1 1 1 1 1 1 1
Number of ports 1 - 1 1 1 1 1 1 1 1
Number of terminals 100 - 100 100 100 100 100 100 100 100
word count 1048576 words - 1048576 words 1048576 words 1048576 words 1048576 words 1048576 words 1048576 words 1048576 words 1048576 words
character code 1000000 - 1000000 1000000 1000000 1000000 1000000 1000000 1000000 1000000
Operating mode SYNCHRONOUS - SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS
Maximum operating temperature 70 °C - 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
organize 1MX32 - 1MX32 1MX32 1MX32 1MX32 1MX32 1MX32 1MX32 1MX32
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code QFP - QFP QFP QFP QFP QFP QFP QFP QFP
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form FLATPACK - FLATPACK FLATPACK FLATPACK FLATPACK FLATPACK FLATPACK FLATPACK FLATPACK
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 3.4 mm - 3.4 mm 3.4 mm 3.4 mm 3.4 mm 3.4 mm 3.4 mm 3.4 mm 3.4 mm
self refresh YES - YES YES YES YES YES YES YES YES
Maximum supply voltage (Vsup) 3.6 V - 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V
Minimum supply voltage (Vsup) 3 V - 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V
Nominal supply voltage (Vsup) 3.3 V - 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
surface mount YES - YES YES YES YES YES YES YES YES
technology CMOS - CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL - COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal form GULL WING - GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.65 mm - 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm
Terminal location QUAD - QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD
width 14 mm - 14 mm 14 mm 14 mm 14 mm 14 mm 14 mm 14 mm 14 mm

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