参数资料
型号: IDT79RV3081-25DL8
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 25 MHz, RISC PROCESSOR, PQCC84
封装: 0.050 INCH PITCH, HEAT SINK, PLASTIC, LCC-84
文件页数: 15/41页
文件大小: 893K
代理商: IDT79RV3081-25DL8
5.5
22
IDT79R3081 RISController
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS R3081
MILITARY TEMPERATURE RANGE
(1, 2)(TC(7) = -55°C to +125°C, VCC = +5.0V ±10%)
20MHz
25MHz
Symbol
Signals
Description
Min.
Max.
Min.
Max.
Unit
t1
BusReq, Ack, BusError,
Set-up to
SysClk rising
6
5
ns
RdCEn, CohReq
t1a
A/D
Set-up to
SysClk falling
7
6
ns
t2
BusReq, Ack, BusError,
Hold from
SysClk rising
4
4
ns
RdCEn, CohReq
t2a
A/D
Hold from
SysClk falling
2
2
ns
t3
A/D, Addr, Diag, ALE,
Wr
Tri-state from
SysClk rising
10
10
ns
Burst/WrNear, Rd, DataEn
t4
A/D, Addr, Diag, ALE,
Wr
Driven from
SysClk falling
10
10
ns
Burst/WrNear, Rd, DataEn
t5
BusGnt
Asserted from
SysClk rising
8
7
ns
t6
BusGnt
Negated from
SysClk falling
8
7
ns
t7
Wr, Rd, Burst/WrNear, A/D
Valid from
SysClk rising
5
5
ns
t8
ALE
Asserted from
SysClk rising
4.5
4.5
ns
t9
ALE
Negated from
SysClk falling
4
4
ns
t10
A/D
Hold from ALE negated(3)
1.5
1.5
ns
t11
DataEn
Asserted from
SysClk falling
15
15
ns
t12
DataEn
Asserted from A/D tri-state(3)
0—
0
ns
t14
A/D
Driven from
SysClk rising(3)
0—
0
ns
t15
Wr, Rd, DataEn, Burst/WrNear Negated from SysClk falling
7
6
ns
t16
Addr(3:2)
Valid from
SysClk
—6
ns
t17
Diag
Valid from
SysClk
12
11
ns
20MHz
25MHz
Symbol
Parameter
Test Conditions
Min.
Max.
Min.
Max.
Units
VOH
Output HIGH Voltage
VCC = Min., IOH = –4mA
2.4
2.4
V
VOL
Output LOW Voltage
VCC = Min., IOL = 4mA
0.4
0.4
V
VIH
Input HIGH Voltage(3)
2.0
2.0
V
VIL
Input LOW Voltage(1)
0.8
0.8
V
VIHS
Input HIGH Voltage(2,3)
2.8
2.8
V
VILS
Input LOW Voltage(1,2)
0.4
0.4
V
CIN
Input Capacitance(4)
12
12
pF
COUT
Output Capacitance(4)
12
12
pF
ICC
Operating Current
VCC = 5.0V, TA = 25
°C
550
650
mA
IIH
Input HIGH Leakage
VIH = VCC
100
100
A
IIL
Input LOW Leakage
VIL = GND
–100
–100
A
IOZ
Output Tri-state Leakage
VOH = 2.4V, VOL = 0.5V
–100
100
–100
100
A
DC ELECTRICAL CHARACTERISTICS R3081
MILITARY TEMPERATURE RANGE— (TC(5) = -55
°C to +125°C, VCC = +5.0V ±10%)
2889 tbl 09
NOTES:
1. VIL Min. = –3.0V for pulse width less than 15ns. VIL should not fall below -0.5V for larger periods.
2. VIHS and VILS apply to CIkIn and
Reset.
3. VIH should not be held above VCC + 0.5V.
4. Guaranteed by design.
5. Case Temperatures are "instant on."
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