40863

Features: Self-timed write allows fast cycle time Separate byte controls for multiplexed bus and bus matching compatibility Dual Cycle Deselect (DCD) for Pipelined Output Mode 2.5V (±100mV) power supply for core LVTTL compatible, selectable 3.3V (±150mV) or 2.5V (±100mV) power supply for I/Os and...

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SeekIC No. : 004230311 Detail

40863: Features: Self-timed write allows fast cycle time Separate byte controls for multiplexed bus and bus matching compatibility Dual Cycle Deselect (DCD) for Pipelined Output Mode 2.5V (±100mV) power s...

floor Price/Ceiling Price

Part Number:
40863
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

Self-timed write allows fast cycle time
Separate byte controls for multiplexed bus and bus matching compatibility
Dual Cycle Deselect (DCD) for Pipelined Output Mode
2.5V (±100mV) power supply for core
LVTTL compatible, selectable 3.3V (±150mV) or 2.5V
(±100mV) power supply for I/Os and control signals on each port
Industrial temperature range (-40°C to +85°C) is available at 166MHz and 133MHz
Available in a 256-pin Ball Grid Array (BGA), a 144-pin Thin Quad Flatpack (TQFP) and 208-pin fine pitch Ball Grid Array (fpBGA)
Supports JTAG features compliant with IEEE 1149.1
Due to limited pin count JTAG, Collision Detection and Interrupt are not supported on the 144-pin TQFP package
True Dual-Port memory cells which allow simultaneous access of the same memory location
High-speed data access
Commercial: 3.4 (200MHz)/3.6ns (166MHz)/ 4.2ns (133MHz)(max.)
Industrial: 3.6ns (166MHz)/4.2ns (133MHz) (max.)
Selectable Pipelined or Flow-Through output mode
Counter enable and repeat features
Dual chip enables allow for depth expansion without additional logic
Interrupt and Collision Detection Flags
Full synchronous operation on both ports
5ns cycle time, 200MHz operation (14Gbps bandwidth)
Fast 3.4ns clock to data out
1.5ns setup to clock and 0.5ns hold on all control, data, and address inputs @ 200MHz




Pinout

  Connection Diagram
NOTES:
1. Pin is a NC for IDT70T3319 and IDT70T3399.
2. Pin is a NC for IDT70T3399.
3. All VDD pins must be connected to 2.5V power supply.
4. All VDDQ pins must be connected to appropriate power supply: 3.3V if OPT pin for that port is set to VDD (2.5V), and 2.5V if OPT pin for that port is set to VSS (0V).
5. All VSS pins must be connected to ground supply.
6. Package body is approximately 20mm x 20mm x 1.4mm.
7. This package code is used to reference the package diagram.
8. This text does not indicate orientation of the actual part-marking.
9. Due to limited pin count, JTAG, Collison Detection and Interrupt are not supported in the DD-144 package.
10. Pins 109 and 72 will be VREFL and VREFR respectively for future HSTL device.



Specifications

Symbol
Rating
Commercial
& Industrial
Unit
VTERM
(VDD)
VDD Terminal Voltage
with Respect to GND
-0.5 to 3.6
V
VTERM(2)
(VDDQ)
VDDQ Terminal Voltage
with Respect to GND
-0.3 to VDDQ + 0.3
V
VTERM(2)
(INPUTS and I/O's)
Input and I/O Terminal
Voltage with Respect to GND
-0.3 to VDDQ + 0.3
V
TBIAS(3)
Temperature Under Bias
-55 to +125
°C
TSTG
Storage Temperature
-65 to +150
°C
TJN
Junction Temperature
+ 150
°C
IOUT(For VDDQ = 3.3V)
DC Output Current
50
mA
IOUT(For VDDQ = 2.5V)
DC Output Current
40
mA

NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
2. This is a steady-state DC parameter that applies after the power supply has reached its nominal operating value. Power sequencing is not necessary; however, the voltage on any Input or I/O pin cannot exceed VDDQ during power supply ramp up.
3. Ambient Temperature under DC Bias. No AC Conditions. Chip Deselected.




Description

The IDT70T3339/19/99 is a high-speed 512/256/128k x 18 bit synchronous Dual-Port RAM. The memory array utilizes Dual-Port memory cells to allow simultaneous access of any address from both ports. Registers on control, data, and address inputs provide minimal setup and hold times. The timing latitude provided by this approach allows systems to be designed with very short cycle times. With an input data register, the IDT70T3339/19/99 has been optimized for applications having unidirectional or bidirectional data flow in bursts.

An automatic power down feature, controlled by CE0 and CE1, permits the on-chip circuitry of each port to enter a very low standby power mode.

The IDT70T3339/19/99 can support an operating voltage of either 3.3V or 2.5V on one or both ports, controllable by the OPT pins. The power supply for the core of the IDT70T3339/19/99 (VDD) is at 2.5V.




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