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參數(shù)資料
| 型號： | TMS27C256-150 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Programmable Read-Only Memory(32K×8結構,可擦可編程只讀存儲器) |
| 中文描述： | 可編程只讀存儲器（32K的× 8結構，可擦可編程只讀存儲器） |
| 文件頁數(shù)： | 2/13頁 |
| 文件大小： | 280K |
| 代理商： | TMS27C256-150 |
TMS27C256 262144-BIT UV ERASABLE PROGRAMMABLE
TMS27PC256 262144-BIT PROGRAMMABLE
READ-ONLY MEMORY
SMLS256G – SEPTEMBER 1984 – REVISED JUNE 1995
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
description (continued)
These devices are fabricated using power-saving CMOS technology for high speed and simple interface with
MOS and bipolar circuits. All inputs (including program data inputs) can be driven by Series 74 TTL circuits
without the use of external pull-up resistors. Each output can drive one Series 74 TTL circuit without external
resistors.
The data outputs are three-state for connecting multiple devices to a common bus. The TMS27C256 and the
TMS27PC256 are pin compatible with 28-pin 256K MOS ROMs, PROMs, and EPROMs.
The TMS27C256 EPROM is offered in a dual-in-line ceramic package (J suffix) designed for insertion in
mounting-hole rows on 15,2-mm (600-mil) centers. The TMS27PC256 OTP PROM is offered in a dual-in-line
plastic package (N suffix) designed for insertion in mounting-hole rows on 15,2-mm (600-mil) centers. The
TMS27PC256 OTP PROM is also supplied in a 32-lead plastic leaded chip-carrier package using 1,25-mm
(50-mil) lead spacing (FM suffix).
The TMS27C256 and TMS27PC256 are offered with two choices of temperature ranges of 0
°
C to 70
°
C (JL,
NL, and FML suffixes) and – 40
°
C to 85
°
C (JE, NE, and FME suffixes). The TMS27C256 and the TMS27PC256
are also offered with 168-hour burn-in on both temperature ranges (JL4, FML4, JE4, and FME4 suffixes); see
table below.
All package styles conform to JEDEC standards.
EPROM AND
OTP PROM
SUFFIX FOR OPERATING
TEMPERATURE RANGES
WITHOUT PEP4 BURN-IN
0
°
C TO 70
°
C
JL
SUFFIX FOR PEP4
168-HR. BURN-IN
VS TEMPERATURE RANGES
0
°
C TO 70
°
C
JL4
– 40
°
C TO 85
°
C
JE
– 40
°
C TO 85
°
C
JE4
TMS27C256-XXX
TMS27PC256-XXX
NL
NE
NL4
NE4
TMS27PC256-XXX
FML
FME
FML4
FME4
These EPROMs and OTP PROMs operate from a single 5-V supply (in the read mode), thus are ideal for use
in microprocessor-based systems. One other 13-V supply is needed for programming . All programming signals
are TTL level. These devices are programmable by the SNAP! Pulse programming algorithm. The SNAP! Pulse
programming algorithm uses a V
PP
of 13 V and a V
CC
of 6.5 V for a nominal programming time of four seconds.
For programming outside the system, existing EPROM programmers can be used. Locations can be
programmed singly, in blocks, or at random.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TMS27C256-150JL | 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:EPROM, 32K x 8, 28 Pin, Ceramic, DIP |
| TMS27C256-15JE4 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| TMS27C25615JL | 制造商:TI 功能描述:New 制造商:Texas Instruments 功能描述: |
| TMS27C256-15JL | 制造商:Texas Instruments 功能描述:EPROM, 32K x 8, 28 Pin, Ceramic, DIP |
| TMS27C256-15JL4 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
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