参数资料
型号: ADSP-BF592BCPZ
厂商: Analog Devices Inc
文件页数: 31/44页
文件大小: 0K
描述: IC DSP CTRLR 64LFCSP
视频文件: Blackfin? BF592 Introduction
特色产品: Blackfin Embedded Processor
标准包装: 1
系列: Blackfin®
类型: 定点
接口: I²C,I²S,IrDA,PPI,SPI,SPORT,UART
时钟速率: 400MHz
非易失内存: ROM(64 kB)
芯片上RAM: 64kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.29V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘,CSP
供应商设备封装: 64-LFCSP-VQ(9x9)
包装: 托盘
Rev. B
|
Page 37 of 44
|
July 2013
TEST CONDITIONS
All timing parameters appearing in this data sheet were mea-
sured under the conditions described in this section. Figure 34
shows the measurement point for ac measurements (except out-
put enable/disable). The measurement point VMEAS is VDDEXT/2
for VDDEXT (nominal) = 1.8 V/2.5 V/3.3 V.
Output Enable Time Measurement
Output pins are considered to be enabled when they have made
a transition from a high impedance state to the point when they
start driving.
The output enable time tENA is the interval from the point when
a reference signal reaches a high or low voltage level to the point
when the output starts driving as shown on the right side of
Figure 30. Driver Type B Current (1.8V VDDEXT)
Figure 31. Driver Type C Current (3.3V VDDEXT)
Figure 32. Driver Type C Current (2.5V VDDEXT)
0
SOURCE
CURRENT
(
m
A)
SOURCE VOLTAGE (V)
0
0.5
1.0
1.5
30
20
–30
–10
VOL
V
DDEXT = 1.9V @ – 40°C
V
DDEXT = 1.8V @ 25°C
–20
–40
10
40
V
DDEXT = 1.7V @ 105°C
50
–50
0
SOURCE
CURRENT
(
m
A)
SOURCE VOLTAGE (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
90
60
– 90
– 30
VOL
VOH
V
DDEXT = 3.6V @ – 40°C
V
DDEXT = 3.3V @ 25°C
– 60
– 150
30
120
V
DDEXT = 3.0V @ 105°C
– 120
150
0
SOURCE
CURRENT
(
m
A)
SOURCE VOLTAGE (V)
0
0.5
1.0
1.5
2.0
2.5
100
– 100
– 25
VOL
VOH
V
DDEXT = 2.75V @ – 40°C
V
DDEXT = 2.5V @ 25°C
– 50
V
DDEXT = 2.25V @ 105°C
– 75
25
50
75
Figure 33. Driver Type C Current (1.8V VDDEXT)
Figure 34. Voltage Reference Levels for AC
Measurements (Except Output Enable/Disable)
Figure 35. Output Enable/Disable
0
SOURCE
CURRENT
(
m
A)
SOURCE VOLTAGE (V)
0
0.5
1.0
1.5
60
40
–60
–20
VOL
VOH
V
DDEXT = 1.9V @ – 40°C
V
DDEXT = 1.8V @ 25°C
–40
20
V
DDEXT = 1.7V @ 105°C
INPUT
OR
OUTPUT
VMEAS
REFERENCE
SIGNAL
tDIS
OUTPUT STARTS DRIVING
VOH (MEASURED)
V
VOL (MEASURED) + V
tDIS_MEASURED
VOH
(MEASURED)
VOL
(MEASURED)
VTRIP(HIGH)
VOH(MEASURED)
VOL(MEASURED)
HIGH IMPEDANCE STATE
OUTPUT STOPS DRIVING
tENA
tDECAY
tENA_MEASURED
tTRIP
VTRIP(LOW)
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