參數(shù)資料
型號(hào)： TMS3705A
廠商： Texas Instruments, Inc.
英文描述： RADIO FREQUENCY I DENTIFICATION SYSTEMS
中文描述： 射頻我擠密系統(tǒng)
文件頁數(shù)： 40/54頁
文件大?。?/td> 785K
代理商： TMS3705A
TMS370Cx9x
8-BIT MICROCONTROLLER
SPNS036B – JANUARY 1996 – REVISED FEBRUARY 1997
40
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range V
CC
(see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, All pins except MC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, I
IK
(V
I
<
0 or V
I
>
V
CC)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, I
OK
(V
O
<
0 or V
O
>
V
CC
)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current per buffer, I
O
(V
O
= 0 to V
CC
)
Maximum I
CC
current
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum I
SS
current
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous power dissipation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A:
L version
A version
T version
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
Electrical characteristics are specified with all output buffers loaded with specified IO current. Exceeding the specified IO current in any buffer
can affect the levels on other buffers.
NOTE 1: Unless otherwise noted, all voltage values are with respect to VSS.
–0.6 V to 7 V
–0.6 V to 7 V
–0.6 V to 14 V
±
20 mA
±
20 mA
±
10 mA
170 mA
– 170 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 W
0
°
C to 70
°
C
– 40
°
C to 85
°
C
– 40
°
C to 105
°
C
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions
MIN
4.5
NOM
MAX
5.5
UNIT
VCC
Supply voltage (see Note 1)
5
V
RAM data-retention supply voltage (see Note 2)
3
5.5
VCC3
VSS3
Analog supply voltage (see Note 1)
3
5.5
V
Analog supply ground
– 0.3
0
0.3
V
VIL
Low level input voltage
Low-level input voltage
All pins except MC
VSS
VSS
0.8
V
MC, normal operation
0.3
V
VIH
Hi h l
High-level input voltage
All pins except MC, XTAL2/CLKIN, and
RESET
2
VCC
V
XTAL2/CLKIN
0.8 VCC
0.7 VCC
VCC
VCC
13
RESET
EEPROM write protect override (WPO)
11.7
12
VMC
MC (mode control) voltage
EPROM programming voltage (VPP)
Microcomputer
13
13.2
13.5
V
VSS
0.3
L version
0
70
TA
Operating free-air temperature
A version
T version
– 40
– 40
85
105
°
C
NOTES:
1. Unless otherwise noted, all voltage values are with respect to VSS.
2. RESET must be externally activated when VCC or SYSCLK is out of the recommended operating range.
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