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參數(shù)資料
| 型號(hào)： | AT27LV256A-90TC |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
| 中文描述： | 32K X 8 OTPROM, 90 ns, PDSO28 |
| 封裝： | PLASTIC, TSOP-28 |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 221K |
| 代理商： | AT27LV256A-90TC |
Standby mode supply current is typically less than 1
μ
A at
3.3V.
The AT27LV256A is available in industry standard
JEDEC-approved one-time programmable (OTP) plastic
PLCC, SOIC and TSOP packages . All devices feature
two-line control (CE, OE) to give designers the flexibility to
prevent bus contention.
The AT27LV256A operating with V
CC
at 3.0V produces
TTL level outputs that are compatible with standard TTL
logic devices operating at V
CC
= 5.0V. The device is also
capable of standard 5-volt operation making it ideally
suited for dual supply range systems or card products that
are pluggable in both 3-volt and 5-volt hosts.
Atmel’s AT27LV256A has additional features to ensure
high quality and efficient production use. The Rapid
Pro-
gramming Algorithm reduces the time required to program
the part and guarantees reliable programming. Program-
ming time is typically only 100
μ
s/byte. The Integrated
Product Identification Code electronically identifies the de-
vice and manufacturer. This feature is used by industry
standard programming equipment to select the proper
programming algorithms and voltages. The AT27LV256A
programs exactly the same way as a standard 5V
AT27C256R and uses the same programming equipment.
Description
(Continued)
Switching between active and standby conditions via the
Chip Enable pin may produce transient voltage excur-
sions. Unless accommodated by the system design, these
transients may exceed data sheet limits, resulting in de-
vice non-conformance. At a minimum, a 0.1
μ
F high fre-
quency, low inherent inductance, ceramic capacitor
should be utilized for each device. This capacitor should
be connected between the V
CC
and Ground terminals of
the device, as close to the device as possible. Additionally,
to stabilize the supply voltage level on printed circuit
boards with large EPROM arrays, a 4.7
μ
F bulk electrolytic
capacitor should be utilized, again connected between the
V
CC
and Ground terminals. This capacitor should be posi-
tioned as close as possible to the point where the power
supply is connected to the array.
System Considerations
3-76
AT27LV256A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT27LV256A-90TI | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
| AT27LV256A-12 | High Speed CMOS Logic CMOS Programmable Divide-by-N Counter 24-PDIP -55 to 125 |
| AT27LV256A-12JC | High Speed CMOS Logic CMOS Programmable Divide-by-N Counter 24-PDIP -55 to 125 |
| AT27LV256A-12JI | High Speed CMOS Logic CMOS Programmable Divide-by-N Counter 24-SOIC -55 to 125 |
| AT27LV256A-12RC | High Speed CMOS Logic CMOS Programmable Divide-by-N Counter 24-SOIC -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT27LV256A-90TI | 功能描述:可擦除可編程ROM 256Kb (32Kx8) OTP 3V 90ns RoHS:否 制造商:Maxim Integrated 類型: 存儲(chǔ)容量:1024 bit 組織:1 K x 1 接口類型: 工作電流:5 uA 編程電壓: 工作電源電壓:2.8 V to 6 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-92 |
| AT27LV256A-90TU | 功能描述:可擦除可編程ROM 256Kb (32Kx8) OTP 3V 90ns RoHS:否 制造商:Maxim Integrated 類型: 存儲(chǔ)容量:1024 bit 組織:1 K x 1 接口類型: 工作電流:5 uA 編程電壓: 工作電源電壓:2.8 V to 6 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-92 |
| AT27LV256A-90TU SL383 | 制造商:Atmel Corporation 功能描述:EPROM OTP 256K-Bit 32K x 8 90ns 28-Pin TSOP-I T/R |
| AT27LV256R-15DI | 制造商:Atmel Corporation 功能描述:EPROM UV 256KBIT 32KX8 200NS 28CDIP W - Rail/Tube |
| AT27LV256R-15JI | 制造商:Atmel Corporation 功能描述:EPROM UV 256KBIT 32KX8 200NS 32PLCC - Rail/Tube |
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