參數(shù)資料
型號: CY7C1370D-250BZC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 18-Mbit (512K X 36/1M X 18) Pipelined SRAM with NoBL Architecture
中文描述: 512K X 36 ZBT SRAM, 2.6 ns, PBGA165
封裝: (13 X 15 X 1.4) MM, PLASTIC, FBGA-165
文件頁數(shù): 10/30頁
文件大小: 344K
代理商: CY7C1370D-250BZC
PRELIMINARY
CY7C1370D
CY7C1372D
Document #: 38-05555 Rev. *A
Page 10 of 30
IEEE 1149.1 Serial Boundary Scan (JTAG)
The CY7C1370D/CY7C1372D incorporates a serial boundary
scan test access port (TAP). This part is fully compliant with
1149.1. The TAP operates using JEDEC-standard 3.3V or
2.5V I/O logic levels.
The CY7C1370D/CY7C1372D contains a TAP controller,
instruction register, boundary scan register, bypass register,
and ID register.
Disabling the JTAG Feature
It is possible to operate the SRAM without using the JTAG
feature. To disable the TAP controller, TCK must be tied
LOW(V
SS
) to prevent clocking of the device. TDI and TMS are
internally pulled up and may be unconnected. They may alter-
nately be connected to V
DD
through a pull-up resistor. TDO
should be left unconnected. Upon power-up, the device will
come up in a reset state which will not interfere with the
operation of the device.
Partial Write Cycle Description
[1, 2, 3, 8]
Function (CY7C1370D)
WE
H
L
BW
d
X
H
BW
c
X
H
BW
b
X
H
BW
a
X
H
Read
Write – No bytes written
Write Byte a – (DQ
a
and
DQP
a
)
Write Byte b – (DQ
b
and
DQP
b
)
Write Bytes b, a
Write Byte c – (DQ
c
and
DQP
c
)
Write Bytes c, a
Write Bytes c, b
Write Bytes c, b, a
Write Byte d – (DQ
d
and
DQP
d
)
Write Bytes d, a
Write Bytes d, b
Write Bytes d, b, a
Write Bytes d, c
Write Bytes d, c, a
Write Bytes d, c, b
Write All Bytes
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
Function (CY7C1372D)
WE
H
L
L
L
L
BW
b
x
H
H
L
L
BW
a
x
H
L
H
L
Read
Write – No Bytes Written
Write Byte a – (DQ
a
and
DQP
a
)
Write Byte b – (DQ
b
and
DQP
b
)
Write Both Bytes
相關PDF資料
PDF描述
CY7C1370D-250BZI 18-Mbit (512K X 36/1M X 18) Pipelined SRAM with NoBL Architecture
CY7C1372D 18-Mbit (512K X 36/1M X 18) Pipelined SRAM with NoBL Architecture
CY7C1372D-167AXC 18-Mbit (512K X 36/1M X 18) Pipelined SRAM with NoBL Architecture
CY7C1372D-167AXI 18-Mbit (512K X 36/1M X 18) Pipelined SRAM with NoBL Architecture
CY7C1372D-167BGC 18-Mbit (512K X 36/1M X 18) Pipelined SRAM with NoBL Architecture
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CY7C1370DV25-167AXI 功能描述:靜態(tài)隨機存取存儲器 512Kx36 2.5V NoBL Sync PL 靜態(tài)隨機存取存儲器 IND RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
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