SST55LD019A Silicon Storage Technology, Inc., SST55LD019A Datasheet - Page 7

• Manufacturer Part Number: SST55LD019A
• Description: Ata Flash Disk Controllersst's Ata Flash Disk Controller is The Heart of a High Performance, Flash Media-based Data Storage System. The Ata Flash Disk Controller Recognizes The Control, Address, And Data Signals on The Ata/ide Bus And Translates Them
• Manufacturer: Silicon Storage Technology, Inc.

ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
3.0 PIN ASSIGNMENTS
The signal/pin assignments are listed in Table 3-1. Low
active signals have a “#” suffix. Pin types are Input, Output,
or Input/Output. Signals whose source is the host are des-
ignated as inputs while signals that the ATA Flash Disk
Controller sources are outputs.
©2004 Silicon Storage Technology, Inc.
FIGURE
3-1: P
INPACK/DMARQ
IN
V
V
SS
A
RESET#
DDQ
V
V
CS1FX#
TIE_DN
DMACK
SS
SS
INTRQ
SSIGNMENTS FOR
IORD#
(Core)
DNU
DNU
DNU
DNU
(IO)
(IO)
(IO)
D7
D6
D5
D4
D3
D2
D1
D0
A1
A0
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
100-
Note: DNU means Do Not Use, must be left unconnected.
LEAD
TQFP
100-lead
Top View
TQFP
7
The ATA Flash Disk Controller functions in ATA mode,
which is compatible with IDE hard disk drives.
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
1241 100-tqfp P1.0
DASP#
V
D8
D9
D10
D11
V
D12
D13
D14
D15
V
DNU
WP_PD#
DNU
DNU
DNU
DNU
IOWR#
CSEL
IOCS16#
PDIAG#
A2
CS2FX#
V
SS
DDQ
SS
SS
(IO)
(IO)
(Core)
(IO)
Advance Information
S71241-02-000
4/04