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參數(shù)資料
| 型號： | DS87C520-WCL |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 38/43頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU EPROM/ROM 33MHZ HS 40CDIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 10 |
| 系列： | 87C |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 33MHz |
| 連通性： | EBI/EMI，SIO，UART/USART |
| 外圍設(shè)備： | 電源故障復(fù)位，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲(chǔ)器容量： | 16KB（16K x 8） |
| 程序存儲(chǔ)器類型： | EPROM，UV |
| RAM 容量： | 1K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4.5 V ~ 5.5 V |
| 振蕩器型： | 外部 |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 40-CDIP（0.600"，15.24mm）窗口 |
| 包裝： | 管件 |
| 其它名稱： | DS87C520WCL |
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DS87C520/DS83C520 EPROM/ROM High-Speed Microcontrollers
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DATA SHEET REVISION SUMMARY
REVISION
DESCRIPTION
110195
Preliminary release.
022097
1) Update ALE pin description.
2) Add note pertaining to erasure window.
3) Add note pertaining to internal MOVX SRAM.
4) Change Note 10 from RST = 5.5V to RST = VCC.
5) Change serial port mode 0 timing diagram label from tQVXL to tQVXH.
070698
1) Update PMM operating current estimates
2) Added note to clarify IIL specification.
3) Added note to prevent accidental corruption of Watchdog Timer count while changing counter length.
4) Changed minimum oscillator frequency to 1MHz when using external crystal.
5) Changed RST pulldown resistance from 170k
to 200kmaximum.
6) Corrected “Data memory write with stretch” diagrams to show falling edge of ALE coincident with
rising edge of C3 clock.
070300
1) Corrected P0 pinout description for TQFP package.
2) Clarified point at which reset delay begins.
040104
1) Removed “Preliminary” status.
2) Soldering temperature parameter now references JEDEC specification.
3) Added note to absolute maximums clarifying voltages referenced to ground.
4) Updated ICC, IIDLE, ISTOP, ISPBG, IIL, and ITL to incorporate errata conditions.
5) Added note clarifying DC electrical test conditions.
6) Added note clarifying VOH3 specification applies to first clock cycle following the transition.
7) Updated AC and MOVX electrical characteristics with final characterization values.
Added tAVLL2 specification and corrected MOVX timing diagrams to show tAVLL2 instead of tAVLL.
070505
1) Added Pb-free/RoHS-compliant part numbers to Ordering Information table.
2) Deleted the “A” from the IPC/JEDEC J-STD-020 specification in the Absolute Maximum Ratings.
091605
1) In DC Electrical Characteristics table, added separate specification for DS83C520 VPFW.
2) Changed VRST max to from 4.25V to 4.275V for DS83C520 value.
022207
1) (Page 30) In the Absolute Maximum Ratings table, changed the operating range from 0
C to +70C to
-40
C to +85C (correction for typographical error; this does not reflect a change in the device or device
testing).
2) (Page 33) In the MOVX Characteristics table, added Note 2 and changed tRLAZ max from Note 1 to
Note 2.
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Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product. No
circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time.
M a x i m In tegra t ed P r oduc ts , 1 2 0 S a n Ga brie l D r iv e , Sun ny vale , CA 94 086 40 8 - 7 3 7 - 76 00
2007 Maxim Integrated Products
The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor Corporation.
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