参数资料
型号: B900J24PXX12I
元件分类: 数字信号处理
英文描述: 0-BIT, 80 MHz, OTHER DSP, PQFP44
文件页数: 71/100页
文件大小: 1547K
代理商: B900J24PXX12I
B900
Advance Data Sheet
Baseband Signal Processor
July 1999
72
Lucent Technologies Inc.
7 Electrical Requirements and Characteristics
The following electrical requirements and characteristics are preliminary and subject to change. Electrical require-
ments refer to conditions imposed on the user for proper operation of the device. Electrical characteristics refer to
the behavior of the device under conditions specified in Section 6, Device Requirements and Characteristics.
Tables 91, 92, and 93 describe the valid electrical parameters of these conditions.
Note: For information about input buffer power dissipation, see Section 7.2.
Table 91. Electrical Requirements
Parameter
Symbol
B900
Unit
VDD = 4.5 V to 5.5 V
VDD = 3.0 V to 3.6 V
Min
Max
Min
Max
Input Voltage (except clocks, INTB, RSTB):
Low
High
VIL
VIH
2.0
0.8
2.0
0.8
V
Input Voltage (INTB):
Low
High
VIL
VIH
VDD – 0.5
0.6
VDD – 0.3
0.6
V
Input Voltage (RSTB) and XTALA*:
Low
High
* Internal crystal oscillator bypass mode only.
VIL
VIH
VDD – 0.5
0.5
VDD – 0.3
0.5
V
Table 92. Electrical Characteristics
Parameter
Symbol
B900
Unit
VDD = 4.5 V to 5.5 V VDD = 3.0 V to 3.6 V
Min
Max
Min
Max
Output Low Voltage:
Low (IOL = 2.0 mA)
Low (IOL = 50
A)
VOL
0.4
0.2
0.4
0.2
V
Output High Voltage:
High (IOH = –2.0 mA)
High (IOH = –50
A)
VOH
VDD – 0.7
VDD – 0.2
VDD – 0.7
VDD – 0.2
V
Output 3-state Current, VDD =
VDD (max):
Low (VIL = 0 V)
High [VIH = VDD (max)]
IOZL
IOZH
–10
10
–10
10
A
Schmitt Trigger Hysteresis:
INTB
RSTB
VIHL
300
1.8
600
2.2
300
1.8
600
2.2
mV
V
Input Capacitance
CI
10
10
pF
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