16 Mbit Concurrent SuperFlash + 2/4/8 Mbit SRAM ComboMemory
SST34HF1602C / SST34HF1622C / SST34HF1642C
SST34HF1642D / SST34HF1682D / SST34HF1622S / SST34HF1642S
Advance Information
FUNCTIONAL BLOCK DIAGRAM
Address
Buffers
A
1- A
SA
MS
0
5
SuperFlash Memory
(Bank 1)
RST#
BEF#
SuperFlash Memory
(Bank 2)
WP#
LBS#3
UBS#3
WE#2
Control
Logic
I/O Buffers
DQ /A- - DQ
OE#2
15
1
0
BES1#4
BES24
RY/BY#
2 / 4 / 8 Mbit
SRAM or PSRAM
Address
Buffers
1256 B1.0
Notes: 1. A
= Most significant address
MS
2. For LS package only: WE# = WEF# and/or WES#
OE# = OEF# and/or OES#
3. For SST34FH16x2S, LBS# and UBS# are No Connect.
4. For SST34HF1602C, BES1#, BES2, SA, LBS#, and UBS# are No Connect
5. Additional Address for x8 SRAM
©2004 Silicon Storage Technology, Inc.
S71256-00-000
3/04
7