參數(shù)資料
型號: AM79C974KCW
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
中文描述: 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP132
封裝: PLASTIC, QFP-132
文件頁數(shù): 93/153頁
文件大?。?/td> 838K
代理商: AM79C974KCW
P R E L I M I N A R Y
AMD
93
Am79C974
DC CHARACTERISTICS (continued)
SCSI Interface
Parameter
Symbol
Parameter Description
SCSI and PWDN
V
IH
Input High Voltage
All SCSI Inputs, PWDN
V
IL
Input Low Voltage
All SCSI Inputs, PWDN
V
IHST
Input Hysteresis (Note 6)
All SCSI Inputs
V
OH
Output High Voltage (Note 2)
V
OL
SCSI Output Low Voltage
ATN
,
BSY
,
SEL
,
SCSI^RST
,
ACK, SD
[7:0],
SD
P
I
IL
Input Low Leakage
All SCSI Inputs, PWDN
I
IH
Input High Leakage
All SCSI Inputs, PWDN
I
OZ
High Impedance Leakage
All I/O Pins
Power Supply Current
I
DD
Active Power Supply Current
I
DDCOMA
Sleep Mode Power Supply Current
I
DDSNOOZE
Auto Wake Mode Power Supply Current
Test Conditions
Min
Max
Unit
2.0
V
DD
+
0.5
0.8
V
V
SS
0.5
300
V
4.75 V < V
DD
< 5.25 V
mV
I
OH
= –2 mA (Note 5)
I
OL
= 48 mA
2.4
V
SS
V
DD
0.5
V
V
0.0 V < V
IN
< 2.7 V
–10
+10
μ
A
2.7 V < V
IN
< V
DD
–10
+10
μ
A
0.4 V < V
OUT
< V
DD
–10
+10
μ
A
XTAL1 = 20 MHz, CLK = 33 MHz
SLEEP
Active
Awake Bit Set Active
150
TBD
TBD
mA
μ
A
μ
A
Notes:
1. I
OL1
applies to AD[31:00], C/
BE
[3:0], PAR, and
REQ
I
OL2
applies to
FRAME
,
IRDY
,
TRDY
,
DEVSEL
,
STOP
,
SERR
,
PERR
, and
LOCK
I
OL3
applies to EESK/
LED1
, EEDO/
LED3
, and EEDI/
LNKST
2. V
OH
does not apply to open-drain output pins.
3. I
IL
and I
IH
apply to all input pins except XTAL1.
4. I
OZL
and I
OZH
apply to all three-state output pins and bi-directional pins.
5. Outputs are CMOS and will be driven to rail if the load is not resistive.
6. These parameters are not 100% tested, but are evaluated at initial characterization and at any time the design is modified
where these parameters may be affected.
7. Tested, but to values in excess of limits. Test accuracy not sufficient to allow screening guard bands.
8. Correlated to other tested parameters – not tested directly.
9. Test not implemented to data sheet specification.
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