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參數(shù)資料
| 型號(hào)： | SN54ABTH32318HT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 18-BIT TRI-PORT UNIVERSAL BUS EXCHANGERS |
| 中文描述： | 18位三端口通用總線換熱 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大小： | 133K |
| 代理商： | SN54ABTH32318HT |
SN54ABTH32318, SN74ABTH32318
18-BIT TRI-PORT UNIVERSAL BUS EXCHANGERS
SCBS180E – JUNE 1992 – REVISED MAY 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Members of the Texas Instruments
Widebus+
Family
State-of-the-Art EPIC-
ΙΙ
B
BiCMOS Design
Significantly Reduces Power Dissipation
UBE
(Universal Bus Exchanger)
Combines D-Type Latches and D-Type
Flip-Flops for Operation in Transparent,
Latched, or Clocked Mode
Latch-Up Performance Exceeds 500 mA Per
JEDEC Standard JESD-17
Typical V
OLP
(Output Ground Bounce)
< 0.8 V at V
CC
= 5 V, T
A
= 25
°
C
High-Impedance State During Power Up
and Power Down
Distributed V
CC
and GND Pin Configuration
Minimizes High-Speed Switching Noise
High-Drive Outputs (–32-mA I
OH
, 64-mA I
OL
)
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
Package Options Include 80-Pin Plastic
Thin Quad Flat (PN) Package With
12
×
12-mm Body Using 0.5-mm Lead Pitch
and 84-Pin Ceramic Quad Flat (HT) Package
22 23
C8
C7
C6
GND
C5
C4
C3
C2
C1
V
CC
GND
B18
B17
B16
B15
B14
GND
B13
B12
B11
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A2
A3
A4
GND
A5
A6
A7
A8
A9
V
CC
GND
A10
A11
A12
A13
A14
GND
A15
A16
A17
25 26 27 28
SN74ABTH32318 . . . PN PACKAGE
(TOP VIEW)
G
79 78 77 76 75
80
74
O
O
S
L
C
C
C
G
B
L
O
S
L
C
B
B
72 71 70
73
29 30 31 32 33
69 68
21
A
C
67 66 65 64
34 35 36 37
B
B
B
G
C
C
C
G
A
S
B
B
38 39 40
C
C
63 62 61
V
C
C
C
C
V
C
B
B
Copyright
1997, 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.
parameters.
Widebus+, EPIC-
ΙΙ
B, and UBE are trademarks 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.
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