MR82C54/B Intersil, MR82C54/B Datasheet - Page 16

• Manufacturer Part Number: MR82C54/B
• Manufacturer: Intersil
• Type: Programmabler

Specifications of MR82C54/B

• # Internal Timers: Single
• Propagation Delay Time: 260ns
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Package Type: CLCC
• High Level Output Current: -2.5mA
• Low Level Output Current: 2.5mA
• Pin Count: 28
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

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