IS82C54 Intersil, IS82C54 Datasheet - Page 16

• Manufacturer Part Number: IS82C54
• Description: IC PERIPH UART/BRG 8MHZ 28-PLCC
• Manufacturer: Intersil
• Type: Programmable Timerr

Specifications of IS82C54

• Frequency: 8MHz
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 10mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-PLCC
• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Count: -

Timing Waveforms
DATA BUS
DATA BUS
RD, WR
16
A0 - A1
A0 - A1
WR
RD
CS
CS
tAR (1)
tSR
FIGURE 19. RECOVERY
(2)
tSW
(10)
tAW
FIGURE 17. WRITE
(9)
FIGURE 18. READ
tAD
(6)
82C54
tRD
(5)
(8) (15)
tRV
tDW
(13)
VALID
tWW
tRR
(12)
(4)
VALID
tWD
(14)
tRA (3)
tWA (11)
tDF
(7)