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參數資料
| 型號： | VH501 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 18-BIT UNIVERSAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 18位通用總線收發(fā)器和三態(tài)輸出 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 301K |
| 代理商： | VH501 |
www.ti.com
FEATURES
Member of the Texas Instruments Widebus
Family
UBT Transceiver Combines D-Type Latches
and D-Type Flip-Flops for Operation in
Transparent, Latched, or Clocked Modes
Operates From 1.65 V to 3.6 V
Max t
pd
of 3.9 ns at 3.3 V
±
24-mA Output Drive at 3.3 V
Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
DESCRIPTION/ORDERING INFORMATION
This 18-bit universal bus transceiver is designed for
1.65-V to 3.6-V V
CC
operation.
Data
flow
in
each
direction
output-enable
(OEAB
and
(LEAB and LEBA), and clock (CLKAB and CLKBA)
inputs. For A-to-B data flow, the device operates in
the transparent mode when LEAB is high. When
LEAB is low, the A data is latched if CLKAB is held at
a high or low logic level. If LEAB is low, the A data is
stored
in
the
latch/flip-flop
transition of CLKAB. When OEAB is high, the outputs
are active. When OEAB is low, the outputs are in the
high-impedance state.
DGG OR DL PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
OEAB
LEAB
A1
GND
A2
A3
V
CC
A4
A5
A6
GND
A7
A8
A9
A10
A11
A12
GND
A13
A14
A15
V
CC
A16
A17
GND
A18
OEBA
LEBA
GND
CLKAB
B1
GND
B2
B3
V
CC
B4
B5
B6
GND
B7
B8
B9
B10
B11
B12
GND
B13
B14
B15
V
CC
B16
B17
GND
B18
CLKBA
GND
Data flow for B to A is similar to that of A to B, but uses OEBA, LEBA, and CLKBA. The output enables are
complementary (OEAB is active high, and OEBA is active low).
SN74ALVCH16501
18-BIT UNIVERSAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES024J–JULY 1995–REVISED OCTOBER 2004
is
controlled
latch-enable
by
OEBA),
on
the
low-to-high
ORDERING INFORMATION
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER
SN74ALVCH16501DL
SN74ALVCH16501DLR
SN74ALVCH16501DGGR
SN74ALVCH16501KR
74ALVCH16501ZQLR
TOP-SIDE MARKING
Tube
Tape and reel
Tape and reel
SSOP - DL
ALVCH16501
-40
°
C to 85
°
C
TSSOP - DGG
VFBGA - GQL
VFBGA - ZQL (Pb-free)
ALVCH16501
Tape and reel
VH501
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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.
Widebus, UBT are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 1995–2004, Texas Instruments Incorporated
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