CS82C37A Intersil, CS82C37A Datasheet - Page 20

• Manufacturer Part Number: CS82C37A
• Description: IC CMOS DMA CONTROLLER 44PLCC
• Manufacturer: Intersil

Specifications of CS82C37A

• Applications: CMOS DMA Controller
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 2mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -

Timing Waveforms
DB0-DB7
EXT EOP
INT EOP
ADSTB
WRITE
DREQ
A0-A7
DACK
READ
HLDA
HRQ
CLK
AEN
SI
TDQ
(18)
TQS
(30)
(Continued)
20
(FOR EXTENDED WRITE)
SI
THS
(25)
S0
TCLSH
(33)
TAEL
(1)
TDVAL (61)
S0
A8-A15
TFAC
TDCL (15)
(23)
TFADB
TFAAB
TAK
(FOR EXTENDED WRITE)
(24)
(22)
(9)
S1
FIGURE 10. DMA TRANSFER
S2
TDVWL
TDCL
(62)
(15)
82C37A
82C37A
ADDRESS VALID
S3
TWLWHA
TWRRD
TDCTR
TDCTW
(16)
TCLSL
TSHSL
TAZRL
TAFDB
TASS
TAHS
(11)
(35)
(17)
(34)
(37)
(64)
(38)
(7)
(5)
S4
S2
TDCL
(15)
TEPS
TEPH
TAHR
(20)
(19)
TEPW (21)
S3
(6)
TQS
ADDRESS VALID
(30)
TAHW
TRLRH
TAVWL
TAVRL
TDCL
TASM
(8)
(56)
(15)
(36)
(57)
(10)
S4
TAK (9)
TAK (9)
SI
TDQ
(18)
TCL (13)
TDCTR (16)
TRHDI (63)
TDCTW (17)
TCY
(14)
SI
TAHW (8)
TAFC (4)
TRHAL
TAK (9)
TWLWH (39)
TAFAB (3)
(58)
TAHR (6)
TAET
(2)
SI
TCH
(12)
March 20, 2006
FN2967.2