參數(shù)資料
型號: 935270265512
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: ALVC/VCX/A SERIES, 18 1-BIT DRIVER, TRUE OUTPUT, PDSO80
封裝: 6.10 MM, PLASTIC, MO-153, SOT-647-1, TSSOP-80
文件頁數(shù): 3/10頁
文件大?。?/td> 80K
代理商: 935270265512
Philips Semiconductors
Product data
74ALVCHS16830
18-bit to 36-bit address driver with bus hold (3-State)
2
2002 Mar 15
853-2280 27859
FEATURES
Diodes on inputs clamp overshoot
ESD classification testing is done to JEDEC Standard JESD22.
Protection exceeds 2000 V HBM per method A114.
Latch-up testing is done to JEDEC Standard JESD78, which
exceeds 100 mA.
Bus hold on data inputs eliminates the need for external
pullup/pulldown resistors
Packaged in thin very small-outline package (TVSOP) — 0.4 mm
pitch
Optimized for use with PCK953 in SDRAM module applications
Low noise, low skew
DESCRIPTION
The ALVCHS16830 address driver is designed for 2.3 V to 3.6 V
VCC operation.
Diodes to VCC have been added on the inputs to clamp overshoot.
The bus hold feature retains the inputs’ last state whenever the input
bus goes to high impedance. This prevents floating inputs and
eliminates the need for pull up or pull down resistors.
To ensure the high-impedance state during power up or power
down, the output-enable (OE) input 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 74ALVCHS16830 is characterized for operation from –40 to
+85
°C.
FUNCTION TABLE
Inputs
Outputs
OE1
OE2
A
1Yn
2Yn
L
H
Z
L
H
L
Z
H
L
H
Z
H
L
Z
L
H
L
H
X
Z
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
69
70
71
72
73
74
75
76
77
78
79
80
2Y2
GND
2Y1
1Y1
VCC
A1
A2
GND
A3
A4
1Y3
2Y3
GND
1Y4
2Y4
VCC
1Y5
GND
2Y5
1Y6
2Y6
GND
13
14
15
16
17
18
63
64
65
66
67
68
A5
A6
VCC
A7
A8
1Y7
VCC
2Y7
1Y8
2Y8
GND
19
62
GND
A9
20
21
22
23
24
25
56
57
58
59
60
61
OE1
OE2
A10
GND
A11
1Y9
2Y10
2Y9
GND
1Y11
2Y11
A12
26
55 VCC
VCC
27
54 1Y12
A13
28
29
30
31
32
49
50
51
52
53
A14
GND
A15
A16
GND
2Y12
1Y13
2Y13
GND
1Y2
GND
1Y10
33
48 1Y14
A17
34
47 2Y14
A18
35
46 VCC
VCC
36
37
38
39
40
41
42
43
44
45
2Y18
1Y18
GND
2Y17
1Y17
1Y15
GND
1Y16
2Y16
2Y15
SW00723
TOP VIEW
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
ORDER CODE
DWG NUMBER
80-pin plastic thin very small outline (TVSOP)
–40 to +85
°C
74ALVCHS16830DGB
SOT647-1
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