VRS51C1000-40-PG Ramtron, VRS51C1000-40-PG Datasheet - Page 44

• Manufacturer Part Number: VRS51C1000-40-PG
• Description: Microcontrollers (MCU) 64K+1K 40MHz 5V
• Manufacturer: Ramtron

Specifications of VRS51C1000-40-PG

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 64 KB
• Data Ram Size: 1 KB
• Interface Type: UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Package / Case: PDIP-40
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

External Data Memory Read Cycle
The following timing diagram provides External Data Memory Read Cycle timing information.
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F
IGURE
VRS51C1000
PORT 0
PORT 2
#PSEN
30: E
#RD
ALE
XTERNAL
D
ATA
M
EMORY
R
EAD
TAVLL
C
YCLE
From Ri or DPL
TAVYL
A0-A7
TLLAX
TLLYL
P2.0-P2.7 or A8 -A15 from DPH
TAVDV
TLLDV
TRLAZ
TRLDV
TRLRH
DATA IN
TRHDX
TRHDZ
TYHLH
From PCL
A8-A15 from PCH
A0-A7
page 44 of 48
INSTRL
IN