IDT77V400S156DS IDT, Integrated Device Technology Inc, IDT77V400S156DS Datasheet - Page 20

• Manufacturer Part Number: IDT77V400S156DS
• Description: IC SW MEMORY 8X8 1.2BGPS 208PQFP
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT77V400S156DS

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 208
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 77V400S156DS

Status Register Definition
Status Register Definition
Status Register Definition
Status Register Definition
Register
1.
2.
type of error.
3.
4.
IDT77V400
Logic 1 (HIGH) indicates an ISAM error. Error register should be accessed to identify
Logic 1 (HIGH) indicates the ISAM is full.
Logic 1 (HIGH) indicates the OSAM is empty
Logic 1 (HIGH) indicates CRC error on the ISAM.
IOD10
IOD11
IOD12
IOD13
IOD14
IOD15
IOD16
IOD17
IOD18
IOD19
IOD20
IOD21
IOD22
IOD23
IOD24
IOD25
IOD26
IOD27
IOD28
IOD29
IOD30
IOD31
IOD0
IOD1
IOD2
IOD3
IOD4
IOD5
IOD6
IOD7
IOD8
IOD9
Bit
Port
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
ISAM
Full
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
1
Error
ISAM
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
2
Empty
OSAM
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
3
Error
CRC
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
4
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Error Register Definition
Error Register Definition
Error Register Definition
Error Register Definition
RAM Address Definition
RAM Address Definition
RAM Address Definition
RAM Address Definition
(LDOx).
Register
0-12
13-16
17-26
27-31
1.
1.
IOD2431
When the Register Bit is a logic 1(High), the type of error is indicated by an "X".
Used for Store Commands (STEx, STIx) and Load Command
IOD10
IOD11
IOD12
IOD13
IOD14
IOD15
IOD16
IOD17
IOD18
IOD19
IOD20
IOD21
IOD22
IOD23
Updated during STEx and STIx operation.
IOD Bit
IOD0
IOD1
IOD2
IOD3
IOD4
IOD5
IOD6
IOD7
IOD8
IOD9
Bit
Port
0
0
1
1
2
2
0
0
0
0
0
0
1
1
2
2
0
0
0
0
0
0
1
1
2
Cell address in Buffer Memory
Switching Memory ID address
(in multiple 77V400 device configurations)
Unused
Edit Buffer Protect/Clear Control Bits
ISAM Short
Cell Error
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
1
Description
ISAM Long
Cell Error
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
1
March 31, 2001
1
Overflow
ISAM
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
1