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參數(shù)資料
| 型號： | CY7C0852V |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | FLEx36TM 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM |
| 中文描述： | FLEx36TM 3.3 32K/64K/128K/256K × 36同步雙口RAM |
| 文件頁數(shù)： | 11/29頁 |
| 文件大小： | 764K |
| 代理商： | CY7C0852V |
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CY7C0850V/CY7C0851V
CY7C0852V/CY7C0853V
Document #: 38-06070 Rev. *D
Page 11 of 29
IEEE 1149.1 Serial Boundary Scan (JTAG)
[13]
The
incorporates an IEEE 1149.1 serial boundary scan test access
port (TAP). The TAP controller functions in a manner that does
not conflict with the operation of other devices using
1149.1-compliant
TAPs.
The
JEDEC-standard 3.3V I/O logic levels. It is composed of three
input connections and one output connection required by the
test logic defined by the standard.
CY7C0850V/CY7C0851V/CY7C0852V/CY7C0853V
TAP
operates
using
Performing a TAP Reset
A reset is performed by forcing TMS HIGH (V
DD
) for five rising
edges of TCK. This reset does not affect the operation of the
devices, and may be performed while the devices are
operating. An MRST must be performed on the devices after
power-up.
Performing a Pause/Restart
When a SHIFT-DR PAUSE-DR SHIFT-DR is performed the
scan chain will output the next bit in the chain twice. For
example, if the value expected from the chain is 1010101, the
device will output a 11010101. This extra bit will cause some
testers to report an erroneous failure for the devices in a scan
test. Therefore the tester should be configured to never enter
the PAUSE-DR state.
.
2
16
2
15
2
6
2
1
2
5
2
2
2
4
2
3
2
0
2
16
2
15
2
6
2
1
2
5
2
2
2
4
2
3
2
0
2
16
2
15
2
6
2
1
2
5
2
2
2
4
2
3
2
0
2
16
2
15
2
6
2
1
2
5
2
2
2
4
2
3
2
0
H
H
L
H
1
1
0s
1
0
1
0
1
0
1
0
0
Xs
1
X
0
X
0
X
0
1
1
Xs
1
X
1
X
1
X
1
0
0
Xs
1
X
0
X
0
X
0
Masked Address
Unmasked Address
Mask
Register
bit-0
Address
Counter
bit-0
CNTINT
Example:
Load
Counter-Mask
Register = 3F
Load
Address
Counter = 8
Max
Address
Register
Max + 1
Address
Register
Figure 2. Programmable Counter-Mask Register Operation
[1, 12]
Table 4. Identification Register Definitions
Instruction Field
Revision Number (31:28)
Cypress Device ID
(27:12)
Value
Description
0h
C001h
C002h
C092h
034h
1
Reserved for version number.
Defines Cypress part number for the CY7C0851V
Defines Cypress part number for the CY7C0852V and CY7C0853V
Defines Cypress part number for the CY7C0850V
Allows unique identification of the DP family device vendor.
Indicates the presence of an ID register.
Cypress JEDEC ID (11:1)
ID Register Presence (0)
Notes:
12. The “X” in this diagram represents the counter upper bits.
13. Boundary scan is IEEE 1149.1-compatible. See “Performing a Pause/Restart” for deviation from strict 1149.1 compliance
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7C0850V | FLEx36TM 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM |
| CY7C0850V-133AC | FLEx36TM 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM |
| CY7C0850V-133AI | FLEx36TM 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM |
| CY7C0850V-133BBC | FLEx36TM 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM |
| CY7C0850V-133BBI | FLEx36TM 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C0852V-100BBC | 制造商:Cypress Semiconductor 功能描述:SRAM SYNC DUAL 3.3V 4.5MBIT 128KX36 5NS 172BGA - Bulk |
| CY7C0852V-133AC | 制造商:Rochester Electronics LLC 功能描述:3.3V 128KX36 SYNC DUAL PORT SRAM - Bulk 制造商:Cypress Semiconductor 功能描述:128K X 36 DUAL-PORT SRAM, 4.4 ns, PQFP176 |
| CY7C0852V-133AXC | 功能描述:IC SRAM 4MBIT 133MHZ 176LQFP RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1,000 系列:- 格式 - 存儲器:RAM 存儲器類型:移動 SDRAM 存儲容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應(yīng)商設(shè)備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2 |
| CY7C0852V-133AXCT | 功能描述:IC SRAM 4MBIT 133MHZ 176LQFP RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1,000 系列:- 格式 - 存儲器:RAM 存儲器類型:移動 SDRAM 存儲容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應(yīng)商設(shè)備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2 |
| CY7C0852V-133AXI | 功能描述:IC SRAM 4MBIT 133MHZ 176LQFP RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1,000 系列:- 格式 - 存儲器:RAM 存儲器類型:移動 SDRAM 存儲容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應(yīng)商設(shè)備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2 |
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