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參數(shù)資料
| 型號： | SN54LV595AFKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 計數(shù)移位寄存器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 190K |
| 代理商： | SN54LV595AFKR |
SN54LV595A, SN74LV595A
8-BIT SHIFT REGISTERS
WITH 3-STATE OUTPUT REGISTERS
SCLS414C – APRIL 1998 – REVISED MARCH 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D EPIC (Enhanced-Performance Implanted
CMOS) Process
D Typical VOLP (Output Ground Bounce)
< 0.8 V at VCC = 3.3 V, TA = 25°C
D Typical VOHV (Output VOH Undershoot)
> 2 V at VCC = 3.3 V, TA = 25°C
D 8-Bit Serial-In, Parallel-Out Shift
D Shift Register Has Direct Clear
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Package Options Include Plastic
Small-Outline (D, NS), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Flat (W) Packages, Chip
Carriers (FK), and DIPs (J)
description
The ’LV595A devices are 8-bit shift registers
designed for 2-V to 5.5-V VCC operation.
These
devices
contain
an
8-bit
serial-in,
parallel-out shift register that feeds an 8-bit D-type
storage register. The storage register has parallel
3-state outputs. Separate clocks are provided for
both the shift and storage register. The shift
register has a direct overriding clear (SRCLR) input, serial (SER) input, and a serial output for cascading. When
the output-enable (OE) input is high, all outputs except QH′ are in the high-impedance state.
Both the shift register clock (SRCLK) and storage register clock (RCLK) are positive-edge triggered. If both
clocks are connected together, the shift register is always one clock pulse ahead of the storage register.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN54LV595A is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74LV595A is characterized for operation from –40
°C to 85°C.
Copyright
1999, 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.
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.
EPIC is a trademark of Texas Instruments Incorporated.
SN54LV595A ...J OR W PACKAGE
SN74LV595A . . . D, DB, NS, OR PW PACKAGE
(TOP VIEW)
SN54LV595A . . . FK PACKAGE
(TOP VIEW)
NC – No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
QB
QC
QD
QE
QF
QG
QH
GND
VCC
QA
SER
OE
RCLK
SRCLK
SRCLR
QH′
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
SER
OE
NC
RCLK
SRCLK
QD
QE
NC
QF
QG
Q
NC
SRCLR
H
GND
NC
C
Q
B
V
CC
Q
A
Q
H
Q
′
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