参数资料
| 型号： | X45620V20I-2.7 |
| 厂商： | Intersil |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC VOLT MON DUAL SW EEPR 20TSSOP |
| 标准包装： | 75 |
| 类型： | 多压监控器 |
| 监视电压数目： | 2 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 75 ms |
| 电压 - 阀值： | 1.75V，2.62V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
X45620
A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified)
Read & Write Cycle Limits
Symbol
f SCL
t IN
t AA
t BUF
t LOW
t HIGH
t SU:STA
t HD:STA
t SU:DAT
t HD:DAT
t SU:STO
t DH
Parameter
SCL clock frequency
Pulse width suppression time at inputs
SCL LOW to SDA Data Out Valid
Time the bus must be free before a new transmission can start
Clock LOW period
Clock HIGH period
Start condition setup time
Start condition hold time
Data in setup time
Data in hold time
Stop condition setup time
Data output hold time
Min
50
0.1
1.3
1.3
0.6
0.6
0.6
100
0
0.6
50
Max
400
0.9
Unit
kHz
ns
μs
μs
μs
μs
μs
μs
ns
μs
μs
ns
Test Conditions
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Serial Output Timing
Symbol
t R
t F
Parameter
SDA and SCL rise time
SDA and SCL fall time
Min
20 + .1Cb
20 + .1Cb
Max
300
300
Unit
ns
ns
Test Conditions
Note 4
Note 4
t SU:S0, S1, WP
t HD:S0, S1, WP
Cb
S0, S1, and WP Setup Time
S0, S1, and WP Hold Time
Capacitive load for each bus line
0.6
0
400
ns
ns
pF
Note 4
Note 4
Note 4, 7
POWER-UP TIMING (5)
Symbol
t PUR
t PUW
Parameter
Power-up to Read Operation
Power-up to Write Operation
Max
1
5
Unit
ms
ms
Test Conditions
Note 4
Note 4
Notes: (5) t PUR and t PUW are the delays required from the time V CC is stable until the specified operation can be initiated. These parameters are
not 100% tested.
(6) Typical values are for T A = 25°C and nominal supply voltage (5V)
(7) Cb = total capacitance of one bus line in pF.
Bus Timing
t F
t HIGH
t LOW
t R
SCL
t SU:STA
t HD:STA
t HD:DAT
t SU:DAT
t SU:STO
SDA IN
SDA OUT
6
t AA
t DH
t BUF
FN8250.0
July 29, 2005
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