PSD4235G2-90U STMicroelectronics, PSD4235G2-90U Datasheet - Page 91
PSD4235G2-90U
Manufacturer Part Number
PSD4235G2-90U
Description
IC FLASH 4MBIT 90NS 80TQFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD4235G2-70U.pdf
(129 pages)
Specifications of PSD4235G2-90U
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
4M (512K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1968
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD4235G2-90U
Manufacturer:
MURATA
Quantity:
34 000
Company:
Part Number:
PSD4235G2-90U
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
PSD4235G2-90U
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
PSD4235G2-90UI
Manufacturer:
TI
Quantity:
8 802
Company:
Part Number:
PSD4235G2-90UI
Manufacturer:
STMicroelectronics
Quantity:
10 000
PSD4235G2
Figure 29. Port D structure
20.23
Port E - functionality and structure
Port E can be configured to perform one or more of the following functions (see
●
●
●
●
MCU I/O Mode
In-System Programming (ISP) - JTAG port can be enabled for programming/erase of
the PSD device. See
programming.
Open Drain - pins can be configured in Open Drain Mode
Latched Address output - Provide latched address output.
WR
WR
DIR Register
READ MUX
DATA OUT
Register
D
D
P
D
B
Q
Q
Figure 33: Reset (RESET) timing
DATA OUT
DATA IN
CPLD-INPUT
OUTPUT
OUTPUT
SELECT
MUX
for more information on JTAG
PORT D PIN
Figure
I/O ports
AI04937
91/129
30):