M27C400 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M27C400

4 Mbit (512Kb x8 or 256Kb x16) UV EPROM and OTP EPROM

STMicroelectronics 

M27C400

Figure 7. BYTE Transition AC Waveforms

A0-A17

VALID

A–1

BYTEVPP

Q0-Q7

Q8-Q15

tAVQV

VALID

tAXQX

tBLQX

tBLQZ

Hi-Z

tBHQV

DATA OUT

DATA OUT

AI01638B

Note: Chip Enable (E) and Output Enable (G) = VIL.

Table 9. Programming Mode DC Characteristics (1)

(TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.5V ± 0.25V)

Symbol

Parameter

Test Condition

Min

Max

ILI

Input Leakage Current

0 ≤ VIN ≤ VCC

±1

ICC

Supply Current

50

IPP

Program Current

E = VIL

50

VIL

Input Low Voltage

–0.3

0.8

VIH

Input High Voltage

2.4

VCC + 0.5

VOL Output Low Voltage

IOL = 2.1mA

0.4

VOH Output High Voltage TTL

IOH = –2.5mA

3.5

VID

A9 Voltage

11.5

12.5

Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.

Unit

µA

mA

mA

V

V

V

V

V

8/14

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