CYNSE10128-083FGCI CYPRESS [Cypress Semiconductor], CYNSE10128-083FGCI Datasheet - Page 17
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CYNSE10128-083FGCI
Manufacturer Part Number
CYNSE10128-083FGCI
Description
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CYNSE10128-083FGCI.pdf
(153 pages)
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Table 4-1. Ayama™ 10000 Signal Description (continued)
Document #: 38-02069 Rev. *F
Cascade Interface (LVCMOS and HSTL)
LHI[6:0]
LHI_0[6:0] (MSE=1)
LHO[1:0]
LHO_0[1:0] (MSE=1)
BHI[2:0]
BHO[2:0]
FULI[6:0]
LHI_1_L[6:0] (MSE=1)
FULO[1:0]
LHO_1_L[1:0] (MSE=1)
Supplies
V
V
V
V
V
Test Access Port
TDI
TCK
TDO
TMS
TRST_L
Notes:
2.
3.
4.
5.
DD
DD_PLL
DDQ_ASIC
DDQ_SRAM
DDQ_JTAG
I = Input only, I/O = input or output, O = output only, T = three-state output.
The rise time of PARERR_L will depend on the value of the pull-up resistance. Sufficient delay should be allotted for in the error routine after clearing the parity
error in the parity control register and before this pin is sampled as part of the next command. Recommended external pull-up resistance range: 4.7K
Require an external pull-down resistor such as 47K
These signals will output at the rising edge of CLK2X (both rising and falling edges of CLK1X) in a MultiSearch operation.
Parameter
Type
O
O
O
T
I
I
I
I
I
I
I
[2]
Local Hit In/Local Hit In Array 0. These signals are inputs from upstream devices in a
cascade that indicate whether there is a hit in the upstream/previous device(s).
When MultiSearch is performed, LHI[6:0] becomes LHI_0[6:0] (Local Hit input signals for
Array 0).
Local Hit Out/ Local Hit Out Array 0. LHO[1] and LHO[0] are logically the same signal.
One of these signal is connected to one input on the LHI bus of the downstream devices
in a cascade.
When MultiSearch is performed, LHO[1:0] becomes LHO_0[1:0] (Local Hit output signals
for Array 0).
Block Hit In. These signals are inputs from the last device in the upstream blocks in a
cascade that indicate whether there is a hit in the upstream/previous block(s).
Block Hit Out. These signals are logically the same signal. One of these signals is
connected to one input on the BHI bus of the downstream devices in the downstream
blocks.
Full In/Local Hit In Array 1. Each signal is driven by an upstream device’s FULO output
in a block to generate the FULL signal for that block. During a Search operation, these
signals indicate whether an upstream device had a free entry for a future Learn.
When MultiSearch is performed, FULI[6:0] becomes active Low LHI_1_L[6:0] (Local Hit
input signals for Array 1).
Full Out/Local Hit Out Array 1. FULO[0] and FULO[1] are logically the same signal. One
of these signal is connected to one input on the FULO bus of the downstream devices in
a cascade.
When MultiSearch is performed, FULO[1:0] becomes active Low LHI_0_L[1:0] (Local Hit
output signals for Array 1).
Core Supply: 1.2V.
PLL Block Supply: 1.2V.
ASIC and Cascade Interface I/O Supply: 1.5V (HSTL) or 1.8V/2.5V (LVCMOS).
SRAM Interfaced I/O Supply: 1.5V (HSTL) or 1.8V/2.5V (LVCMOS).
JTAG Test Access Port I/O Supply: 2.5V (LVCMOS).
Test access port test data in.
Test access port test clock.
Test access port test data out.
Test access port test mode select.
Test access port reset.
Ω
or 100K
CONFIDENTIAL
PRELIMINARY
Ω
.
Description
CYNSE10512
CYNSE10256
CYNSE10128
Page 17 of 153
Ω
to 47K
Ω
.
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