參數(shù)資料
型號(hào): 82C37A
廠商: Intersil Corporation
英文描述: CMOS High Performance Programmable DMA Controller
中文描述: 高性能的CMOS可編程DMA控制器
文件頁(yè)數(shù): 21/23頁(yè)
文件大?。?/td> 204K
代理商: 82C37A
4-212
82C37A
AC Test Circuits
AC Testing Input, Output Waveforms
FIGURE 13. COMPRESSED TRANSFER
FIGURE 14. RESET
Timing Waveforms
(Continued)
CLK
S4
S2
(10)
TASM
(15)
TDCL
TRLRHC
(40)
TDCTR
(16)
TDCL
(15)
(10)
TASM
TDCTR
(16)
TDCTW
(17)
TRH (31)
TRS (32)
S2
S4
TRS (32)
TRH (31)
TDCTW
(17)
A0-A7
READ
WRITE
READY
VALID
VALID
(48) TRSTD
(50) TRSTW
(49) TRSTS
IOR OR IOW
RESET
V
CC
TEST CONDITION DEFINITION TABLE
PINS
V1
R1
C1
All Outputs Except EOP
1.7V
520
100pF
EOP
V
CC
1.6k
50pF
TEST POINT
R1
V1
C1 (NOTE)
OUTPUT FROM
DEVICE UNDER
TEST
NOTE:
Includes STRAY and FIXTURE Capacitance
NOTE:
AC Testing: All AC Parameters tested as per test circuits.
Input RISE and FALL times are driven at Ins/V. CLK input
must switch between VIHC +0.4V and VILC -0.4V
VOH
VO -0.45
0.45
VOL
OUTPUT
L OR H
Z
VOH
2.0V
0.8V
VOL
INPUT
Z
L OR H
VIH + 0.4V
VIL - 0.4V
1.5V
1.5V
VOH
VOL
OUTPUT
OUTPUT
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