74avc16834a NXP Semiconductors, 74avc16834a Datasheet - Page 4

• Manufacturer Part Number: 74avc16834a
• Description: 18-bit Registered Driver With Inverted Register Enable And Dynamic Controlled Outputs 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC SYMBOL (IEEE/IEC)
2002 Sep 11
18-bit registered driver with inverted register enable
and Dynamic Controlled Outputs
Y
Y
Y
Y
Y
Y
Y
Y
OE
CP
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
LE
10
12
13
14
15
16
17
11
0
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
19
20
21
23
24
26
27
30
28
FRONT SIDE
3
5
6
8
9
BACK SIDE
C3
G2
EN1
1
2C3
controller and prevent timing delays and waveform distortions that would cause unreliable operation
The PLL clock distribution device and AVCM registered drivers reduce signal loads on the memory
1
168-pin SDR SDRAM DIMM
3D
74AVCM16834
54
52
51
49
48
47
45
44
43
42
41
40
38
37
36
34
33
31
SH00158
74AVCM16834
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
(3-State)
74AVCM16834
4
1. Output level before the indicated steady-state input conditions
2. Output level before the indicated steady-state input conditions
FUNCTION TABLE
H
L
X
Z
NOTES:
were established, provided that CP is high before LE goes low.
were established.
OE
H
L
L
L
L
L
L
=
=
=
=
=
PCK2509S or PCK2510S
HIGH voltage level
LOW voltage level
Don’t care
High impedance “off” state
LOW-to-HIGH level transition
LE
X
H
H
H
H
L
L
INPUTS
SW00407
CP
X
X
X
H
L
74AVC16834A
A
X
H
H
X
X
L
L
OUTPUTS
OUTPUTS
Product data
Y
Y
H
H
Z
L
L
0
0
1
2