參數(shù)資料
型號： TMS370C250A
廠商： Texas Instruments, Inc.
元件分類： 8位微控制器
英文描述： 8-BIT MICROCONTROLLER
中文描述： 8位微控制器
文件頁數(shù)： 41/54頁
文件大?。?/td> 785K
代理商： TMS370C250A
TMS370Cx9x
8-BIT MICROCONTROLLER
SPNS036B – JANUARY 1996 – REVISED FEBRUARY 1997
41
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOL
Low-level output voltage
IOL = 1.4 mA
IOH = –50
μ
A
IOH = –2 mA
0 V < VI
≤
0.3 V
0.3 V < VI
≤
13 V
12 V
≤
VI
≤
13 V
0 V
≤
VI
≤
VCC
VOL = 0.4 V
VOH = 0.9 VCC
VOH = 2.4 V
SYSCLK = 5 MHz
0.4
V
VOH
High level output voltage
High-level output voltage
0.9 VCC
2.4
V
10
μ
A
II
Input current
MC
650
See Note 3
50
mA
μ
A
mA
μ
A
mA
I/O pins
±
10
IOL
Low-level output current
1.4
IOH
High level output current
High-level output current
– 50
– 2
See Notes 4 and 5
30
45
Supply current (operating mode)
OSC POWER bit = 0 (see Note 6)
SYSCLK = 3 MHz
See Notes 4 and 5
20
30
mA
SYSCLK = 0 5 MHz
SYSCLK = 0.5 MHz
See Notes 4 and 5
7
11
Supply current (STANDBY mode)
OSC POWER bit = 0 (see Note 7)
d )
SYSCLK = 5 MHz
See Notes 4 and 5
10
17
ICC
SYSCLK = 3 MHz
See Notes 4 and 5
8
11
mA
SYSCLK = 0.5 MHz
See Notes 4 and 5
2
3.5
Supply current (STANDBY mode)
OSC POWER bit = 1 (see Note 8)
SYSCLK = 3 MHz
See Notes 4 and 5
6
8.6
mA
SYSCLK = 0.5 MHz
XTAL2/CLKIN < 0.2 V
See Notes 4 and 5
See Note 4
2
2
3
Supply current (HALT mode)
3. Input current IPP is a maximum of 50 mA only when programming EPROM.
4. In single chip mode, ports are configured as inputs or outputs with no load. All inputs
≤
0.2 V or
≥
VCC – 0.2V.
5. XTAL2/CLKIN is driven with an external square wave signal with 50% duty cycle and rise and fall times less than 10 ns. Current
can be higher with a crystal oscillator. At 5-MHz SYSCLK, this extra current = 0.01 mA x (total load capacitance + crystal capacitance
in pF).
6. Maximum operating current for TMS370Cx9x = 7.6 (SYSCLK) + 7 mA.
7. Maximum standby current for TMS370Cx9x = 3 (SYSCLK) + 2 mA. (OSC POWER bit = 0).
8. Maximum standby current for TMS370Cx9x = 2.24 (SYSCLK) + 1.9 mA. (OSC POWER bit =1, only valid up to 3-MHz SYSCLK).
30
μ
A
NOTES:
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