參數(shù)資料
型號(hào)： GS8662R09BD-350
廠商： GSI TECHNOLOGY
元件分類： SRAM
英文描述： 8M X 9 STANDARD SRAM, 0.45 ns, PBGA165
封裝： 13 X 15 MM, 1 MM PITCH, FPBGA-165
文件頁(yè)數(shù)： 8/37頁(yè)
文件大?。?/td> 769K
代理商： GS8662R09BD-350
Thermal Impedance
Package
Test PCB
Substrate
θ JA (C°/W)
Airflow = 0 m/s
θ JA (C°/W)
Airflow = 1 m/s
θ JA (C°/W)
Airflow = 2 m/s
θ JB (C°/W)
θ JC (C°/W)
165 BGA
4-layer
22.300
18.572
17.349
9.292
2.310
Notes:
1. Thermal Impedance data is based on a number of of samples from mulitple lots and should be viewed as a typical number.
2. Please refer to JEDEC standard JESD51-6.
3. The characteristics of the test fixture PCB influence reported thermal characteristics of the device. Be advised that a good thermal path to
the PCB can result in cooling or heating of the RAM depending on PCB temperature.
GS8662R08/09/18/36BD-400/350/333/300/250
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.02 3/2011
16/37
2011, GSI Technology
HSTL I/O DC Input Characteristics
Parameter
Symbol
Min
Max
Units
Notes
DC Input Logic High
VIH (dc)
VREF + 0.10
VDDQ + 0.3 V
V
1
DC Input Logic Low
VIL (dc)
–0.3 V
VREF – 0.10
V
1
Notes:
1. Compatible with both 1.8 V and 1.5 V I/O drivers
2. These are DC test criteria. DC design criteria is VREF ± 50 mV. The AC VIH/VIL levels are defined separately for measuring timing parame-
ters.
3. VIL (Min) DC = –0.3 V, VIL(Min) AC = –1.5 V (pulse width ≤ 3 ns).
4. VIH (Max) DC = VDDQ + 0.3 V, VIH(Max) AC = VDDQ + 0.85 V (pulse width ≤ 3 ns).
HSTL I/O AC Input Characteristics
Parameter
Symbol
Min
Max
Units
Notes
AC Input Logic High
VIH (ac)
VREF + 0.20
—
V
2,3
AC Input Logic Low
VIL (ac)
—
VREF – 0.20
V
2,3
VREF Peak-to-Peak AC Voltage
VREF (ac)
—
5% VREF (DC)
V
1
Notes:
1. The peak-to-peak AC component superimposed on VREF may not exceed 5% of the DC component of VREF.
2. To guarantee AC characteristics, VIH,VIL, Trise, and Tfall of inputs and clocks must be within 10% of each other.
3. For devices supplied with HSTL I/O input buffers. Compatible with both 1.8 V and 1.5 V I/O drivers.
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