参数资料
型号: KSZ8851-16MQL
厂商: Micrel Inc
文件页数: 79/88页
文件大小: 0K
描述: IC CTLR MAC/PHY NON-PCI 128-PQFP
产品培训模块: KSZ8851 10/100 Embedded Controllers
标准包装: 66
控制器类型: 以太网控制器,MAC/PHY
接口: 总线
电源电压: 1.8V,2.5V,3.3V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 128-BFQFP
供应商设备封装: 128-PQFP(14x20)
包装: 托盘
产品目录页面: 1081 (CN2011-ZH PDF)
配用: 576-3292-ND - BOARD EVALUATION KSZ8851-16MLL
其它名称: 576-3253
PIC16F83/84
PIC16F8X
1998 Microchip Technology Inc.
DS30430C-page 81
TABLE 11-2
TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created fol-
lowing one of the following formats:
FIGURE 11-1: PARAMETER MEASUREMENT INFORMATION
All timings are measure between high and low mea-
surement points as indicated in the figures below.
FIGURE 11-2: LOAD CONDITIONS
1. TppS2ppS
2. TppS
T
FFrequency
TTime
Lowercase symbols (pp) and their meanings:
pp
2to
os,osc
OSC1
ck
CLKOUT
ost
oscillator start-up timer
cy
cycle time
pwrt
power-up timer
io
I/O port
rbt
RBx pins
inp
INT pin
t0
T0CKI
mc
MCLR
wdt
watchdog timer
Uppercase symbols and their meanings:
S
FFall
P
Period
HHigh
R
Rise
I
Invalid (Hi-impedance)
V
Valid
L
Low
Z
High Impedance
0.9 VDD (High)
0.1 VDD (Low)
0.8 VDD RC
0.3 VDD XTAL
OSC1 Measurement Points
I/O Port Measurement Points
0.15 VDD RC
0.7 VDD XTAL
(High)
(Low)
Load Condition 1
Load Condition 2
Pin
RL
CL
VSS
VDD/2
VSS
CL
Pin
RL =
464
CL =
50 pF
for all pins except OSC2.
15 pF
for OSC2 output.
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