参数资料
型号: 74ABT162501DGGRG4
厂商: Texas Instruments
文件页数: 3/10页
文件大小: 0K
描述: IC UNIV BUS TXRX 18BIT 56TSSOP
标准包装: 2,000
系列: 74ABT
逻辑类型: 通用总线收发器
电路数: 18 位
输出电流高,低: 32mA,64mA; 12mA,12mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 带卷 (TR)
SN54ABT162501, SN74ABT162501
18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS243E – SEPTEMBER 1992 – REVISED FEBRUARY 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 2.1 V, OE should be tied to VCC through a pullup resistor
and OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by
the current-sinking/current-sourcing capability of the driver.
The SN54ABT162501 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ABT162501 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
OUTPUT
OEAB
LEAB
CLKAB
A
B
L
X
Z
H
HX
L
H
HX
H
L
LL
H
L
HH
H
LH
X
B0
H
L
X
B0§
A-to-B data flow is shown: B-to-A flow is similar but
uses OEBA, LEBA, and CLKBA.
Output level before the indicated steady-state input
conditions were established, provided that CLKAB
was high before LEAB went low
§ Output level before the indicated steady-state input
conditions were established
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