參數(shù)資料
型號(hào): SN54LV374
廠商: Texas Instruments, Inc.
英文描述: Octal D-Type Flip-Flops(八D觸發(fā)器(三態(tài)輸出))
中文描述: 八路D類正反器(八?觸發(fā)器(三態(tài)輸出))
文件頁(yè)數(shù): 1/7頁(yè)
文件大?。?/td> 181K
代理商: SN54LV374
SN54LV374, SN74LV374
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS197B – FEBRUARY 1993 – REVISED APRIL 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
EPIC
(Enhanced-Performance Implanted
CMOS) 2-
μ
Process
Typical V
OLP
(Output Ground Bounce)
< 0.8 V at V
CC
, T
A
= 25
°
C
Typical V
OHV
(Output V
OH
Undershoot)
> 2 V at V
CC
, T
A
= 25
°
C
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds
200 V Using Machine Model
(C = 200 pF, R = 0)
Latch-Up Performance Exceeds 250 mA
Per JEDEC Standard JESD-17
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), Thin Shrink Small-Outline (PW),
Ceramic Flat (W) Packages, Chip Carriers
(FK), and (J) 300-mil DIPs
description
These octal edge-triggered D-type flip-flops are
designed for 2.7-V to 5.5-V V
CC
operation.
The ’LV374 feature 3-state outputs designed
specifically for driving highly capacitive or
relatively low-impedance loads. These devices
are particularly suitable for implementing buffer
registers, I/O ports, bidirectional bus drivers, and
working registers.
On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data
(D) inputs.
A buffered output-enable (OE) input can be used to place the eight outputs in either as normal logic state (high
or low logic levels) or high-impedance state. In the high-impedance state, the outputs neither load nor drive the
bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines
without need for interface or pullup components.
OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while
the outputs are in the high-impedance state.
The SN74LV374 is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count
and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54LV374 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C. The
SN74LV374 is characterized for operation from –40
°
C to 85
°
C.
Copyright
1996, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all
parameters.
EPIC is a trademark of Texas Instruments Incorporated.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
3
2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
8D
7D
7Q
6Q
6D
2D
2Q
3Q
3D
4D
1
1
O
5
5
V
8
4
G
C
SN54LV374 . . . FK PACKAGE
(TOP VIEW)
SN54LV374 . . . J OR W PACKAGE
SN74LV374 . . . DB, DW, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
V
CC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
相關(guān)PDF資料
PDF描述
SN54LV541A OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV541ADB OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV541ADGV OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LV541AFK OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SNJ54LV541AFK OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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