P89C668 datasheet(85/89 Pages) PHILIPS

tên linh kiện	P89C668

Giải thích chi tiết về linh kiện	80C51 8-bit Flash microcontroller family

PDF	89 Pages

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nhà sản xuất	PHILIPS [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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85 / 89 page

Philips Semiconductors

Product data

P89C660/P89C662/P89C664/

P89C668

80C51 8-bit Flash microcontroller family

16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM

2002 Oct 28

VCC

RST

XTAL1

XTAL2

VSS

VCC

ICC

(NC)

CLOCK SIGNAL

P1.6

P1.7

89C660

89C662

89C664

89C668

SU01261

Figure 68. ICC Test Condition, Active Mode.

All other pins are disconnected

VCC

RST

XTAL1

XTAL2

VSS

VCC

ICC

(NC)

CLOCK SIGNAL

P1.6

P1.7

89C660

89C662

89C664

89C668

SU01262

Figure 69. ICC Test Condition, Idle Mode.

All other pins are disconnected

VCC–0.5

0.5V

tCHCL

tCLCL

tCLCH

tCLCX

tCHCX

SU00266

Figure 70. Clock Signal Waveform for ICC Tests in Active and Idle Modes.

tCLCL = tCHCL = 10 ns

VCC

RST

XTAL1

XTAL2

VSS

VCC

ICC

(NC)

P1.6

P1.7

89C660

89C662

89C664

89C668

SU01263

Figure 71. ICC Test Condition, Power-Down mode.

All other pins are disconnected; VCC = 2V to 5.5V

NOTE:

Ports 1.6 and 1.7 should be connected to VCC through resistors of sufficiently high value such that the sink current into these pins does not

exceed the IOL1 specification.

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