UPD44646363AF5-E25-FQ1-A Renesas Electronics America, UPD44646363AF5-E25-FQ1-A Datasheet - Page 30

• Manufacturer Part Number: UPD44646363AF5-E25-FQ1-A
• Description: SRAM DDRII 72MBIT 165-PBGA
• Manufacturer: Renesas Electronics America

Specifications of UPD44646363AF5-E25-FQ1-A

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous, DDR II+
• Memory Size: 72M (2M x 36)
• Speed: 400MHz
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Boundary Scan Register Status of Output Pins CQ, CQ#, QVLD and DQ
Remark
30
EXTEST
IDCODE
SAMPLE-Z
SAMPLE
BYPASS
Instructions
The Boundary Scan Register statuses during execution each
instruction vary according to the instruction code and SRAM
operation mode.
There are two statuses:
Pad
Internal : Contents of the SRAM internal output “SRAM
μ
PD44646092A-A, 44646182A-A, 44646362A-A, 44646093A-A, 44646183A-A, 44646363A-A
: Contents of the output pin (DDR Pad) are
captured in the “CAPTURE Register” in the
Boundary Scan Register.
Output” are captured in the “CAPTURE Register”
in the Boundary Scan Register.
READ (Low-Z)
READ (Low-Z)
READ (Low-Z)
READ (Low-Z)
READ (Low-Z)
NOP (High-Z)
NOP (High-Z)
NOP (High-Z)
NOP (High-Z)
NOP (High-Z)
SRAM Status
Preliminary Data Sheet M19960EJ1V0DS
CQ, CQ#, QVLD
Internal
Internal
Boundary Scan Register Status
Pad
Pad
Pad
Pad
−
−
−
−
Pad
Internal
Pad
Pad
Pad
Pad
Pad
DQ
−
−
−
−
DDR
Pad
Boundary Scan
Register
CAPTURE
Register
Register
Update
JTAG ctrl
High-Z
Output
SRAM
Driver
No definition
No definition
Note
Internal
Output
SRAM