参数资料
型号: CY74FCT2244TSOCTE4
厂商: Texas Instruments
文件页数: 12/15页
文件大小: 0K
描述: IC BUFF/DVR TRI-ST 8BIT 20SOICW
标准包装: 2,000
系列: 74FCT
逻辑类型: 缓冲器/线路驱动器,非反相
元件数: 2
每个元件的位元数: 4
输出电流高,低: 15mA,12mA
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 带卷 (TR)
CY74FCT2244T
8-BIT BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
SCCS074 – OCTOBER 2001
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
3 V
0 V
th
tsu
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Data Input
tPLH
tPHL
tPLH
VOH
VOL
3 V
0 V
Input
Out-of-Phase
Output
In-Phase
Output
Timing Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
Output
Control
Output
Waveform 1
(see Note B)
Output
Waveform 2
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
≈3.5 V
0 V
VOL + 0.3 V
≈0 V
3 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
7 V
Open
TEST
S1
3 V
0 V
tw
VOLTAGE WAVEFORMS
PULSE DURATION
Input
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. The outputs are measured one at a time with one input transition per measurement.
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT FOR
3-STATE OUTPUTS
S1
7 V
500
GND
From Output
Under Test
CL = 50 pF
(see Note A)
Test
Point
LOAD CIRCUIT FOR
TOTEM-POLE OUTPUTS
Open
VOH – 0.3 V
500
500
1.5 V
Figure 1. Load Circuit and Voltage Waveforms
相关PDF资料
PDF描述
70IMX7-05-8 CONVERT DC/DC 5V 7W
CY74FCT2244TSOCT IC BUFF/DVR TRI-ST 8BIT 20SOICW
70IMX7-05-05-8 CONVERT DC/DC 2X 5V 7W
CY74FCT2244ATSOCT IC BUFF/DVR TRI-ST 8BIT 20SOICW
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