2-38 Revision 13 Voltage-Referenced I/O Characteristics 3.3 V GTL Gunning Transceiver Logic is a" />
參數(shù)資料
型號: A3PE600-1PQG208
廠商: Microsemi SoC
文件頁數(shù): 111/162頁
文件大?。?/td> 0K
描述: IC FPGA 600000 GATES 208-PQFP
標準包裝: 24
系列: ProASIC3E
RAM 位總計: 110592
輸入/輸出數(shù): 147
門數(shù): 600000
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
2-38
Revision 13
Voltage-Referenced I/O Characteristics
3.3 V GTL
Gunning Transceiver Logic is a high-speed bus standard (JESD8-3). It provides a differential amplifier
input buffer and an open-drain output buffer. The VCCI pin should be connected to 3.3 V.
Timing Characteristics
Table 2-48 Minimum and Maximum DC Input and Output Levels
3.3 V GTL
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
20 mA3
–0.3
VREF – 0.05 VREF + 0.05
3.6
0.4
20 20
181
268
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.
3. Output drive strength is below JEDEC specification.
Figure 2-12 AC Loading
Table 2-49 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 – 0.05
VREF + 0.05
0.8
1.2
10
Note: *Measuring point = Vtrip. See Table 2-15 on page 2-18 for a complete table of trip points.
Test Point
10 pF
25
GTL
VTT
Table 2-50 3.3 V GTL
Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.425 V,
Worst-Case VCCI = 3.0 V VREF = 0.8 V
Speed
Grade
tDOUT
tDP
tDIN
tPY
tEOUT
tZL
tZH
tLZ
tHZ
tZLS
tZHS
Units
Std.
0.60
2.08
0.04
2.93
0.43
2.04
2.08
4.27
4.31
ns
–1
0.51
1.77
0.04
2.50
0.36
1.73
1.77
3.63
3.67
ns
–2
0.45
1.55
0.03
2.19
0.32
1.52
1.55
3.19
3.22
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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