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参数资料
| 型号： | SN74CB3T3245PWG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 18/21页 |
| 文件大小： | 0K |
| 描述： | IC FET BUS SWITCH SGL 20TSSOP |
| 标准包装： | 70 |
| 系列： | 74CB |
| 类型： | FET 总线开关 |
| 电路： | 8 x 1:1 |
| 独立电路： | 1 |
| 输出电流高，低： | 32mA，64mA |
| 电压电源： | 单电源 |
| 电源电压： | 2.3 V ~ 3.6 V |
| 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 |
VOH
VOL
CL
(see Note A)
TEST CIRCUIT
S1
2
× VCC
Open
GND
RL
tPLH
tPHL
Output
Waveform 1
S1 at 2
× VCC
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
VCC
0 V
VOH
VOL
0 V
VOL + V
VOH V
0 V
Output
Control
(VIN)
VCC
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES (tpd(s))
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Output
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 , tr ≤ 2.5 ns, tf ≤ 2.5 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd(s). The tpd propagation delay is the calculated RC time constant of the typical ON-state resistance
of the switch and the specified load capacitance, when driven by an ideal voltage source (zero output impedance).
H. All parameters and waveforms are not applicable to all devices.
50
VG1
VCC
DUT
50
VIN
50
VG2
50
VI
TEST
RL
S1
V
CL
2.5 V
± 0.2 V
3.3 V
± 0.3 V
VCC
VI
tPHZ/tPZH
tPLZ/tPZL
tpd(s)
2.5 V
± 0.2 V
3.3 V
± 0.3 V
2.5 V
± 0.2 V
3.3 V
± 0.3 V
Open
2
× VCC
2
× VCC
Open
500
500
500
500
500
500
3.6 V or GND
5.5 V or GND
GND
3.6 V
5.5 V
30 pF
50 pF
30 pF
50 pF
30 pF
50 pF
0.15 V
0.3 V
0.15 V
0.3 V
Output
Control
(VIN)
Input Generator
VCC/2
VO
SCDS136A – OCTOBER 2003 – REVISED AUGUST 2012
PARAMETER MEASUREMENT INFORMATION
Figure 2. Test Circuit and Voltage Waveforms
6
Copyright 2003–2012, Texas Instruments Incorporated
Product Folder Links: SN74CB3T3245
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