参数资料
型号: UPD44647366AF5-E25-FQ1
厂商: Renesas Electronics America
文件页数: 31/42页
文件大小: 0K
描述: SRAM QDRII 72MBIT 165-PBGA
标准包装: 1
格式 - 存储器: RAM
存储器类型: SRAM - 同步,QDR II+
存储容量: 72M(2M x 36)
速度: 400MHz
接口: 并联
电源电压: 1.7 V ~ 1.9 V
工作温度: 0°C ~ 70°C
封装/外壳: 165-LBGA
供应商设备封装: 165-PBGA(13x15)
包装: 散装
μ PD44647094A-A, 44647184A-A, 44647364A-A, 44647096A-A, 44647186A-A, 44647366A-A
Output Pin States of CQ, CQ#, QVLD and Q
Instructions
Control-Register Status
Output Pin Status
CQ, CQ#, QVLD
Q
EXTEST
IDCODE
SAMPLE-Z
SAMPLE
BYPASS
0
1
0
1
0
1
0
1
0
1
Update
Update
SRAM
SRAM
High-Z
High-Z
SRAM
SRAM
SRAM
SRAM
High-Z
Update
SRAM
SRAM
High-Z
High-Z
SRAM
SRAM
SRAM
SRAM
Remark
The output pin statuses during each instruction vary according
to the Control-Register status (value of Boundary Scan
Register, bit no. 109).
There are three statuses:
Boundary Scan
Register
CAPTURE
Register
Update : Contents of the “Update Register” are output to
the output pin (QDR Pad).
SRAM : Contents of the SRAM internal output “SRAM
Output” are output to the output pin (QDR Pad).
High-Z : The output pin (QDR Pad) becomes high
impedance by controlling of the “High-Z JTAG
ctrl”.
The Control-Register status is set during Update-DR at the
Update
Register
Update
QDR
Pad
High-Z
SRAM
Output
Driver
SRAM
Output
SRAM
EXTEST or SAMPLE instruction.
High-Z
JTAG ctrl
In case checking the QVLD output status in EXTEST mode,
please make sure stay DLL# pin HIGH.
Data Sheet M19962EJ2V0DS
29
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