DSM2180F3-90T6 STMicroelectronics, DSM2180F3-90T6 Datasheet - Page 35

• Manufacturer Part Number: DSM2180F3-90T6
• Description: IC FLASH 1MBIT 90NS 52TQFP
• Manufacturer: STMicroelectronics

Specifications of DSM2180F3-90T6

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 1M (128K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-TQFP, 52-VQFP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 5.5V
• Operating Supply Voltage (max): 4.5V
• Mounting: Surface Mount
• Pin Count: 52
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1321

Table 16. Drive Register Pin Assignment
Note: 1. NA = Not Applicable.
Figure 20. Port B Structure
Port B – Functionality and Structure
Port B can be configured to perform one or more
of the following functions:
■
■
Port B
Port C
Port D
Register
MCU I/O Mode
CPLD Output – Macrocells McellAB7-McellAB0
can be connected to Port B. McellBC7-
McellBC0 can be connected to Port B or Port C.
Drive
Open
Drain
Open
Drain
NA
MACROCELL OUTPUTS
ENABLE PRODUCT TERM ( .OE )
WR
WR
Bit 7
1
Open
Drain
Open
Drain
NA
CPLD-INPUT
1
DATA OUT
Bit 6
READ MUX
DIR REG.
D
D
REG.
D
B
P
Q
Q
Open
Drain
Open
Drain
NA
Bit 5
1
Open
Drain
Open
Drain
NA
1
Bit 4
DATA OUT
■
■
DATA IN
CPLD Input – Via the Input Macrocells (IMC).
Open Drain/Slew Rate – pins PB3-PB0 can be
configured to fast slew rate, pins PB7-PB4 can
be configured to Open Drain Mode.
Slew
Rate
Open
Drain
NA
Bit 3
1
OUTPUT
SELECT
OUTPUT
MUX
Slew
Rate
Open
Drain
Slew
Rate
ENABLE OUT
Bit 2
Macrocell
Input
Slew
Rate
Open
Drain
Slew
Rate
Bit 1
DSM2180F3
Slew
Rate
Open
Drain
Slew
Rate
Bit 0
AI04906B
PORT B
35/63
PIN