2-46 Revision 13 SSTL3 Class I Stub-Speed Terminated Logic for 3.3 V memory bus standard (JESD8-" />
參數(shù)資料
型號: A3PE1500-1PQ208
廠商: Microsemi SoC
文件頁數(shù): 120/162頁
文件大?。?/td> 0K
描述: IC FPGA 1KB FLASH 1.5M 208-PQFP
標準包裝: 24
系列: ProASIC3E
RAM 位總計: 276480
輸入/輸出數(shù): 147
門數(shù): 1500000
電源電壓: 1.425 V ~ 1.575 V
安裝類型: 表面貼裝
工作溫度: 0°C ~ 70°C
封裝/外殼: 208-BFQFP
供應(yīng)商設(shè)備封裝: 208-PQFP(28x28)
ProASIC3E DC and Switching Characteristics
2-46
Revision 13
SSTL3 Class I
Stub-Speed Terminated Logic for 3.3 V memory bus standard (JESD8-8). ProASIC3E devices support
Class I. This provides a differential amplifier input buffer and a push-pull output buffer.
Timing Characteristics
Table 2-72 Minimum and Maximum DC Input and Output Levels
SSTL3 Class I
VIL
VIH
VOL
VOH
IOL IOH
IOSL
IOSH
IIL IIH
Drive
Strength
Min.
V
Max.
V
Min.
V
Max.
V
Max.
V
Min.
VmA mA
Max.
mA1
Max.
mA1
A2 A2
14 mA
–0.3 VREF – 0.2 VREF + 0.2
3.6
0.7
VCCI – 1.1 14 14
54
51
10 10
Notes:
1. Currents are measured at high temperature (100°C junction temperature) and maximum voltage.
2. Currents are measured at 85°C junction temperature.
Figure 2-20 AC Loading
Table 2-73 AC Waveforms, Measuring Points, and Capacitive Loads
Input Low (V)
Input High (V)
Measuring
Point* (V)
VREF (typ.) (V)
VTT (typ.) (V)
CLOAD (pF)
VREF – 0.2
VREF + 0.2
1.5
1.485
30
Note: *Measuring point = Vtrip. See Table 2-15 on page 2-18 for a complete table of trip points.
Test Point
30 pF
50
25
SSTL3
Class I
VTT
Table 2-74 SSTL3 Class I
Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.425 V,
Worst-Case VCCI = 3.0 V, VREF = 1.5 V
Speed
Grade
tDOUT
tDP
tDIN
tPY
tEOUT
tZL
tZH
tLZ
tHZ
tZLS
tZHS
Units
Std.
0.66
2.31
0.04
1.25
0.43
2.35
1.84
4.59
4.07
ns
–1
0.56
1.96
0.04
1.06
0.36
2.00
1.56
3.90
3.46
ns
–2
0.49
1.72
0.03
0.93
0.32
1.75
1.37
3.42
3.04
ns
Note: For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-5 for derating values.
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