IDT77V400S156DS IDT, Integrated Device Technology Inc, IDT77V400S156DS Datasheet - Page 3
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IDT77V400S156DS
Manufacturer Part Number
IDT77V400S156DS
Description
IC SW MEMORY 8X8 1.2BGPS 208PQFP
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT77V400S156BC.pdf
(26 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT77V400S156DS
Manufacturer:
IDT
Quantity:
1
IDT77V400
To DRAM
IP0D0-3
IP1D0-3
IP2D0-3
IP3D0-3
IP4D0-3
IP5D0-3
IP6D0-3
IP7D0-3
IFRM0-7
ICLK0-7
ABYTE
SBYTE
byte 0
Cntl.
BYTE-PUT-PROTECT
4
4
4
4
4
4
4
4
8
8
.
BYTE
byte 1
32
[first word]
INPUT EDIT BUFFER
and ICLK
Control
Latches
Buffers
Config.
IFRM
Config.
Input
and
CLEAR
TRANSFER BUS
byte 2
IOD BUS Bits 0 - 31
Cntl.
Bits 0-71
INPUT
32
byte 3
4
4
4
MUX
4
4
4
4
4
4
Random Access Cell Memory
(from ISAM)
[second word]
32
32
Config.
Figure 3 Input and Output Edit Buffer Block Diagram
Pointer Decode + Control
Pointer Decode + Control
(8192 ATM Cells)
Nibble Counters,
Buffer Memory
Output SAM Port 0
Output SAM Port 6
Output SAM Port 7
Input SAM Port 0
Input SAM Port 1
Input SAM Port 7
Nibble Counters
Figure 2 Functional Block Diagram
CRC
GEN
CRC error
COMPARE
8
8
HEC
8
DRAM BUS
3 of 26
OUTPUT
Bits 0-71
Edit Buffer
Input
Output
Header
Addr
1
1
CTLEN
72
Port
Status
32
RESET
4
4
4
32
4
4
4
[first word]
OR - P/P
Memory
Control
Config.
Logic
Edit Buffer
Config.
CS
Output
OUTPUT EDIT BUFFER
Cntl.
Control Interface and
32
Command Control
OE
4
4
4
CRC Logic
SCLK
Edit Buffer
Control
Configuration
TRANSFER BUS
ADDR0-3
Register
and OCLK
Register
Register
Status
OFRM
Control
Error
Output
Latches
Buffers
OUTPUT
Bits 0-71
Refresh
Control
Mode Control
and
CMD0-5
4
MUX
8
and CRC
6
IOD0-31
[second word]
OR - HEADER
32
32
32
8
(to OSAM)
8
8
4
4
4
4
4
4
4
4
CRCERR
IOD0-31
8
OCLK0-7
OP0D0-3
OP1D0-3
OP2D0-3
OP3D0-3
OP4D0-3
OP5D0-3
OP6D0-3
OP7D0-3
OFRM0-7
CRC
GEN
3606 drw 03
HEC
XOR
8
3606 drw 02
March 31, 2001