2-22 Revision 11 Single-Ended I/O Characteristics 3.3 V LVTTL / 3.3 V LVCMOS Low-Voltage Tra" />
參數(shù)資料
型號: A3PN250-ZVQG100I
廠商: Microsemi SoC
文件頁數(shù): 45/114頁
文件大小: 0K
描述: IC FPGA NANO 250K GATES 100-VQFP
標準包裝: 90
系列: ProASIC3 nano
RAM 位總計: 36864
輸入/輸出數(shù): 68
門數(shù): 250000
電源電壓: 1.425 V ~ 1.575 V
安裝類型: 表面貼裝
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TQFP
供應商設備封裝: 100-VQFP(14x14)
ProASIC3 nano DC and Switching Characteristics
2-22
Revision 11
Single-Ended I/O Characteristics
3.3 V LVTTL / 3.3 V LVCMOS
Low-Voltage Transistor–Transistor Logic (LVTTL) is a general-purpose standard (EIA/JESD) for 3.3 V
applications. It uses an LVTTL input buffer and push-pull output buffer.
Table 2-27 Minimum and Maximum DC Input and Output Levels
3.3 V LVTTL /
3.3 V LVCMOS
VIL
VIH
VOL
VOH IOL IOH
IOSL
IOSH
IIL1 IIH2
Drive Strength
Min.
V
Max.
V
Min.
V
Max.
V
Max.
V
Min.
VmA mA
Max.
mA3
Max.
mA3
A4 A4
2 mA
–0.3
0.8
2
3.6
0.4
2.4
2
25
27
10 10
4 mA
–0.3
0.8
2
3.6
0.4
2.4
4
25
27
10 10
6 mA
–0.3
0.8
2
3.6
0.4
2.4
6
51
54
10 10
8 mA
–0.3
0.8
2
3.6
0.4
2.4
8
51
54
10 10
Notes:
1. IIL is the input leakage current per I/O pin over recommended operation conditions where –0.3 V < VIN < VIL.
2. IIH is the input leakage current per I/O pin over recommended operating conditions VIH < VIN < VCCI. Input current is
larger when operating outside recommended ranges.
3. Currents are measured at high temperature (100°C junction temperature) and maximum voltage.
4. Currents are measured at 85°C junction temperature.
5. Software default selection highlighted in gray.
Figure 2-6 AC Loading
Table 2-28 3.3 V LVTTL/LVCMOS AC Waveforms, Measuring Points, and Capacitive Loads
Input LOW (V)
Input HIGH (V)
Measuring Point* (V)
CLOAD (pF)
03.3
1.4
10
Notes:
1. Measuring point = Vtrip. See Table 2-16 on page 2-17 for a complete table of trip points.
2. Capacitive Load for A3PN060, A3PN125, and A3PN250 is 35 pF.
Test Point
Enable Path
Datapath
35 pF
R = 1 k
R to VCCI for tLZ / tZL / tZLS
R to GND for tHZ / tZH / tZHS
35 pF for tZH / tZHS / tZL / tZLS
35 pF for tHZ / tLZ
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